diff --git a/bower.json b/bower.json
index 3b428c9..ac4dbd5 100644
--- a/bower.json
+++ b/bower.json
@@ -3,7 +3,6 @@
   "private": true,
   "dependencies": {
     "platform": "Polymer/platform#master",
-    "core-action-icons": "Polymer/core-action-icons#master",
-    "polymer-ui-action-icons": "Polymer/polymer-ui-action-icons#master"  
+    "core-action-icons": "Polymer/core-action-icons#master"
   }
 }
\ No newline at end of file
diff --git a/core-component-page.html b/core-component-page.html
index 627e6ce..6904d07 100644
--- a/core-component-page.html
+++ b/core-component-page.html
@@ -1,3712 +1,1423 @@
 <!--
-Copyright 2014 The Polymer Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
--->
-<!--
-/**
- * @module Polymer
- */
-/**
- * The `polymer-body` element extends the body element. It provides a quick and 
- * easy way to do data binding without the need to setup a custom element 
- * or template. The body itself serves as the model and controller for the 
- * elements it contains. Both data and event handlers can be bound. 
- *
- * The `polymer-body` element does not create any ShadowDOM. Instead, 
- * it creates elements in the main document. This makes it convenient to use 
- * when it's important that elements are not placed inside ShadowDOM.
- *
- * The `polymer-body` element provides a subset of the capability you 
- * get when you define a custom element. When you put data and event listeners
- * on `polymer-body`, you're customizing an instance of the element.
- * Because of this you cannot define lifecycle methods like ready. If you need
- * to do this, make a custom element.
- * 
- * Example:
- *
- *     <body is="polymer-body">
- *       <template>
- *         {{greeting}}
- *         <button on-tap="buttonTap">Tap me!</button>
- *       </template>
- *       <script>
- *         model.greeting = 'Hello!';
- *         model.buttonTap = function() {
- *           console.log('tap!');
- *         };
- *       </script>
- *     </body>
- *
- * @status stable
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
 -->
-<polymer-element name="polymer-body" extends="body" attributes="modelName" assetpath="../polymer-dev/src/">
 
-  <script>
-    
-    /*
-      Normally, it would be required to load polymer-body last to ensure 
-      its contained elements bind properly. However, for convenience, we load
-      `polymer-body` with polymer and register it at `polymer-ready` time.
-      This means that `polymer-body` is ready asynchronous to the 
-      `polymer-ready` event.
-    */
-    // upgrade polymer-body last so that 
-    // 1. it can contain other imported elements without needing to come last
-    // 2. scripts that customize the model are not required to be before
-    // polymer-body is loaded (note: native imports block scripts).
-    document.addEventListener('polymer-ready', function() {
-
-      Polymer('polymer-body', {
-
-        modelName: 'model',
+<polymer-element name="polymer-body" extends="body" assetpath="../polymer/">
+<script>
 
-        ready: function() {
-          this.template = document.querySelector('template');
-          var model = window[this.modelName];
-          if (model) {
-            Platform.mixin(this, model);
-          }
-          if (this.template) {
-            this.lightFromTemplate(this.template,
-                this.template.nextElementSibling);
+  // upgrade polymer-body last so that it can contain other imported elements
+  document.addEventListener('polymer-ready', function() {
+
+    Polymer('polymer-body', Platform.mixin({
+
+      created: function() {
+        this.template = document.createElement('template');
+        var body = wrap(document).body;
+        var c$ = body.childNodes.array();
+        for (var i=0, c; (c=c$[i]); i++) {
+          if (c.localName !== 'script') {
+            this.template.content.appendChild(c);
           }
         }
+        // snarf up user defined model
+        window.model = this;
+      },
 
-      });
+      parseDeclaration: function(elementElement) {
+        this.lightFromTemplate(this.template);
+      }
 
-    });
+    }, window.model));
 
-  </script>
+  });
 
+</script>
 </polymer-element>
 <!--
- Copyright 2013 The Polymer Authors. All rights reserved.
- Use of this source code is governed by a BSD-style
- license that can be found in the LICENSE file.
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
 -->
-<script>/*
- * Copyright 2013 The Polymer Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style
- * license that can be found in the LICENSE file.
- */
-Polymer = {};
-</script>
-<script>/*
- * Copyright 2013 The Polymer Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style
- * license that can be found in the LICENSE file.
- */
-
-// TODO(sorvell): this ensures Polymer is an object and not a function
-// Platform is currently defining it as a function to allow for async loading
-// of polymer; once we refine the loading process this likely goes away.
-if (typeof window.Polymer === 'function') {
-  Polymer = {};
-}
-
-</script>
-<script>/*
- * Copyright 2013 The Polymer Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style
- * license that can be found in the LICENSE file.
- */
-(function(scope) {
-
-  // copy own properties from 'api' to 'prototype, with name hinting for 'super'
-  function extend(prototype, api) {
-    if (prototype && api) {
-      // use only own properties of 'api'
-      Object.getOwnPropertyNames(api).forEach(function(n) {
-        // acquire property descriptor
-        var pd = Object.getOwnPropertyDescriptor(api, n);
-        if (pd) {
-          // clone property via descriptor
-          Object.defineProperty(prototype, n, pd);
-          // cache name-of-method for 'super' engine
-          if (typeof pd.value == 'function') {
-            // hint the 'super' engine
-            pd.value.nom = n;
-          }
-        }
-      });
-    }
-    return prototype;
-  }
-  
-  // exports
-
-  scope.extend = extend;
-
-})(Polymer);
-</script>
-<script>/* 
- * Copyright 2013 The Polymer Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style
- * license that can be found in the LICENSE file.
- */
-
-(function(scope) {
-  
-  // usage
-  
-  // invoke cb.call(this) in 100ms, unless the job is re-registered,
-  // which resets the timer
-  // 
-  // this.myJob = this.job(this.myJob, cb, 100)
-  //
-  // returns a job handle which can be used to re-register a job
-
-  var Job = function(inContext) {
-    this.context = inContext;
-    this.boundComplete = this.complete.bind(this)
-  };
-  Job.prototype = {
-    go: function(callback, wait) {
-      this.callback = callback;
-      var h;
-      if (!wait) {
-        h = requestAnimationFrame(this.boundComplete);
-        this.handle = function() {
-          cancelAnimationFrame(h);
-        }
-      } else {
-        h = setTimeout(this.boundComplete, wait);
-        this.handle = function() {
-          clearTimeout(h);
-        }
-      }
-    },
-    stop: function() {
-      if (this.handle) {
-        this.handle();
-        this.handle = null;
-      }
-    },
-    complete: function() {
-      if (this.handle) {
-        this.stop();
-        this.callback.call(this.context);
-      }
-    }
-  };
-  
-  function job(job, callback, wait) {
-    if (job) {
-      job.stop();
-    } else {
-      job = new Job(this);
-    }
-    job.go(callback, wait);
-    return job;
-  }
-  
-  // exports 
-
-  scope.job = job;
-  
-})(Polymer);
-</script>
-<script>/*
- * Copyright 2013 The Polymer Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style
- * license that can be found in the LICENSE file.
- */
-(function(scope) {
-
-  var registry = {};
-
-  HTMLElement.register = function(tag, prototype) {
-    registry[tag] = prototype;
-  }
-
-  // get prototype mapped to node <tag>
-  HTMLElement.getPrototypeForTag = function(tag) {
-    var prototype = !tag ? HTMLElement.prototype : registry[tag];
-    // TODO(sjmiles): creating <tag> is likely to have wasteful side-effects
-    return prototype || Object.getPrototypeOf(document.createElement(tag));
-  };
-
-  // we have to flag propagation stoppage for the event dispatcher
-  var originalStopPropagation = Event.prototype.stopPropagation;
-  Event.prototype.stopPropagation = function() {
-    this.cancelBubble = true;
-    originalStopPropagation.apply(this, arguments);
-  };
-  
-  // TODO(sorvell): remove when we're sure imports does not need
-  // to load stylesheets
-  /*
-  HTMLImports.importer.preloadSelectors += 
-      ', polymer-element link[rel=stylesheet]';
-  */
-})(Polymer);
-</script>
-<script>/*
- * Copyright 2013 The Polymer Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style
- * license that can be found in the LICENSE file.
- */
- (function(scope) {
-    // super
-
-    // `arrayOfArgs` is an optional array of args like one might pass
-    // to `Function.apply`
-
-    // TODO(sjmiles):
-    //    $super must be installed on an instance or prototype chain
-    //    as `super`, and invoked via `this`, e.g.
-    //      `this.super();`
-
-    //    will not work if function objects are not unique, for example,
-    //    when using mixins.
-    //    The memoization strategy assumes each function exists on only one 
-    //    prototype chain i.e. we use the function object for memoizing)
-    //    perhaps we can bookkeep on the prototype itself instead
-    function $super(arrayOfArgs) {
-      // since we are thunking a method call, performance is important here: 
-      // memoize all lookups, once memoized the fast path calls no other 
-      // functions
-      //
-      // find the caller (cannot be `strict` because of 'caller')
-      var caller = $super.caller;
-      // memoized 'name of method' 
-      var nom = caller.nom;
-      // memoized next implementation prototype
-      var _super = caller._super;
-      if (!_super) {
-        if (!nom) {
-          nom = caller.nom = nameInThis.call(this, caller);
-        }
-        if (!nom) {
-          console.warn('called super() on a method not installed declaratively (has no .nom property)');
-        }
-        // super prototype is either cached or we have to find it
-        // by searching __proto__ (at the 'top')
-        _super = memoizeSuper(caller, nom, getPrototypeOf(this));
-      }
-      if (!_super) {
-        // if _super is falsey, there is no super implementation
-        //console.warn('called $super(' + nom + ') where there is no super implementation');
-      } else {
-        // our super function
-        var fn = _super[nom];
-        // memoize information so 'fn' can call 'super'
-        if (!fn._super) {
-          memoizeSuper(fn, nom, _super);
-        }
-        // invoke the inherited method
-        // if 'fn' is not function valued, this will throw
-        return fn.apply(this, arrayOfArgs || []);
-      }
-    }
-
-    function nextSuper(proto, name, caller) {
-      // look for an inherited prototype that implements name
-      while (proto) {
-        if ((proto[name] !== caller) && proto[name]) {
-          return proto;
-        }
-        proto = getPrototypeOf(proto);
-      }
-    }
-
-    function memoizeSuper(method, name, proto) {
-      // find and cache next prototype containing `name`
-      // we need the prototype so we can do another lookup
-      // from here
-      method._super = nextSuper(proto, name, method);
-      if (method._super) {
-        // _super is a prototype, the actual method is _super[name]
-        // tag super method with it's name for further lookups
-        method._super[name].nom = name;
-      }
-      return method._super;
-    }
-
-    function nameInThis(value) {
-      var p = this.__proto__;
-      while (p && p !== HTMLElement.prototype) {
-        // TODO(sjmiles): getOwnPropertyNames is absurdly expensive
-        var n$ = Object.getOwnPropertyNames(p);
-        for (var i=0, l=n$.length, n; i<l && (n=n$[i]); i++) {
-          var d = Object.getOwnPropertyDescriptor(p, n);
-          if (typeof d.value === 'function' && d.value === value) {
-            return n;
-          }
-        }
-        p = p.__proto__;
-      }
-    }
-
-    // NOTE: In some platforms (IE10) the prototype chain is faked via 
-    // __proto__. Therefore, always get prototype via __proto__ instead of
-    // the more standard Object.getPrototypeOf.
-    function getPrototypeOf(prototype) {
-      return prototype.__proto__;
-    }
-
-    // utility function to precompute name tags for functions
-    // in a (unchained) prototype
-    function hintSuper(prototype) {
-      // tag functions with their prototype name to optimize
-      // super call invocations
-      for (var n in prototype) {
-        var pd = Object.getOwnPropertyDescriptor(prototype, n);
-        if (pd && typeof pd.value === 'function') {
-          pd.value.nom = n;
-        }
-      }
-    }
-
-    // exports
-
-    scope.super = $super;
-
-})(Polymer);
-</script>
-<script>/* 
- * Copyright 2013 The Polymer Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style
- * license that can be found in the LICENSE file.
- */
-
-(function(scope) {
-
-  var typeHandlers = {
-    string: function(value) {
-      return value;
-    },
-    date: function(value) {
-      return new Date(Date.parse(value) || Date.now());
-    },
-    boolean: function(value) {
-      if (value === '') {
-        return true;
-      }
-      return value === 'false' ? false : !!value;
-    },
-    number: function(value) {
-      var n = parseFloat(value);
-      // hex values like "0xFFFF" parseFloat as 0
-      if (n === 0) {
-        n = parseInt(value);
-      }
-      return isNaN(n) ? value : n;
-      // this code disabled because encoded values (like "0xFFFF")
-      // do not round trip to their original format
-      //return (String(floatVal) === value) ? floatVal : value;
-    },
-    object: function(value, currentValue) {
-      if (currentValue === null) {
-        return value;
-      }
-      try {
-        // If the string is an object, we can parse is with the JSON library.
-        // include convenience replace for single-quotes. If the author omits
-        // quotes altogether, parse will fail.
-        return JSON.parse(value.replace(/'/g, '"'));
-      } catch(e) {
-        // The object isn't valid JSON, return the raw value
-        return value;
-      }
-    },
-    // avoid deserialization of functions
-    'function': function(value, currentValue) {
-      return currentValue;
-    }
-  };
-
-  function deserializeValue(value, currentValue) {
-    // attempt to infer type from default value
-    var inferredType = typeof currentValue;
-    // invent 'date' type value for Date
-    if (currentValue instanceof Date) {
-      inferredType = 'date';
-    }
-    // delegate deserialization via type string
-    return typeHandlers[inferredType](value, currentValue);
-  }
-
-  // exports
-
-  scope.deserializeValue = deserializeValue;
-
-})(Polymer);
-</script>
-<script>/*
- * Copyright 2013 The Polymer Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style
- * license that can be found in the LICENSE file.
- */
-(function(scope) {
-
-  // imports
-
-  var extend = scope.extend;
-
-  // module
-
-  var api = {};
-
-  api.declaration = {};
-  api.instance = {};
-
-  api.publish = function(apis, prototype) {
-    for (var n in apis) {
-      extend(prototype, apis[n]);
-    }
-  }
-
-  // exports
-
-  scope.api = api;
-
-})(Polymer);
-</script>
-<script>/*
- * Copyright 2013 The Polymer Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style
- * license that can be found in the LICENSE file.
+
+<script>/**
+ * @license
+ * Copyright (c) 2012-2014 The Polymer Authors. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ *    * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *    * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-(function(scope) {
+// @version: 0.2.2-efadd4d
+Polymer={},"function"==typeof window.Polymer&&(Polymer={}),function(a){function b(a,b){return a&&b&&Object.getOwnPropertyNames(b).forEach(function(c){var d=Object.getOwnPropertyDescriptor(b,c);d&&(Object.defineProperty(a,c,d),"function"==typeof d.value&&(d.value.nom=c))}),a}a.extend=b}(Polymer),function(a){function b(a,b,d){return a?a.stop():a=new c(this),a.go(b,d),a}var c=function(a){this.context=a,this.boundComplete=this.complete.bind(this)};c.prototype={go:function(a,b){this.callback=a;var c;b?(c=setTimeout(this.boundComplete,b),this.handle=function(){clearTimeout(c)}):(c=requestAnimationFrame(this.boundComplete),this.handle=function(){cancelAnimationFrame(c)})},stop:function(){this.handle&&(this.handle(),this.handle=null)},complete:function(){this.handle&&(this.stop(),this.callback.call(this.context))}},a.job=b}(Polymer),function(){var a={};HTMLElement.register=function(b,c){a[b]=c},HTMLElement.getPrototypeForTag=function(b){var c=b?a[b]:HTMLElement.prototype;return c||Object.getPrototypeOf(document.createElement(b))};var b=Event.prototype.stopPropagation;Event.prototype.stopPropagation=function(){this.cancelBubble=!0,b.apply(this,arguments)}}(Polymer),function(a){function b(a){var c=b.caller,g=c.nom,h=c._super;if(h||(g||(g=c.nom=e.call(this,c)),g||console.warn("called super() on a method not installed declaratively (has no .nom property)"),h=d(c,g,f(this))),h){var i=h[g];return i._super||d(i,g,h),i.apply(this,a||[])}}function c(a,b,c){for(;a;){if(a[b]!==c&&a[b])return a;a=f(a)}}function d(a,b,d){return a._super=c(d,b,a),a._super&&(a._super[b].nom=b),a._super}function e(a){for(var b=this.__proto__;b&&b!==HTMLElement.prototype;){for(var c,d=Object.getOwnPropertyNames(b),e=0,f=d.length;f>e&&(c=d[e]);e++){var g=Object.getOwnPropertyDescriptor(b,c);if("function"==typeof g.value&&g.value===a)return c}b=b.__proto__}}function f(a){return a.__proto__}a.super=b}(Polymer),function(a){function b(a,b){var d=typeof b;return b instanceof Date&&(d="date"),c[d](a,b)}var c={string:function(a){return a},date:function(a){return new Date(Date.parse(a)||Date.now())},"boolean":function(a){return""===a?!0:"false"===a?!1:!!a},number:function(a){var b=parseFloat(a);return 0===b&&(b=parseInt(a)),isNaN(b)?a:b},object:function(a,b){if(null===b)return a;try{return JSON.parse(a.replace(/'/g,'"'))}catch(c){return a}},"function":function(a,b){return b}};a.deserializeValue=b}(Polymer),function(a){var b=a.extend,c={};c.declaration={},c.instance={},c.publish=function(a,c){for(var d in a)b(c,a[d])},a.api=c}(Polymer),function(a){var b={async:function(a,b,c){Platform.flush(),b=b&&b.length?b:[b];var d=function(){(this[a]||a).apply(this,b)}.bind(this),e=c?setTimeout(d,c):requestAnimationFrame(d);return c?e:~e},cancelAsync:function(a){0>a?cancelAnimationFrame(~a):clearTimeout(a)},fire:function(a,b,c,d,e){var f=c||this,b=b||{},g=new CustomEvent(a,{bubbles:void 0!==d?d:!0,cancelable:void 0!==e?e:!0,detail:b});return 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-    /**
-      * Invokes a function asynchronously. The context of the callback
-      * function is bound to 'this' automatically.
-      * @method async
-      * @param {Function|String} method
-      * @param {any|Array} args
-      * @param {number} timeout
-      */
-    async: function(method, args, timeout) {
-      // when polyfilling Object.observe, ensure changes 
-      // propagate before executing the async method
-      Platform.flush();
-      // second argument to `apply` must be an array
-      args = (args && args.length) ? args : [args];
-      // function to invoke
-      var fn = function() {
-        (this[method] || method).apply(this, args);
-      }.bind(this);
-      // execute `fn` sooner or later
-      var handle = timeout ? setTimeout(fn, timeout) :
-          requestAnimationFrame(fn);
-      // NOTE: switch on inverting handle to determine which time is used.
-      return timeout ? handle : ~handle;
-    },
-    cancelAsync: function(handle) {
-      if (handle < 0) {
-        cancelAnimationFrame(~handle);
-      } else {
-        clearTimeout(handle);
-      }
-    },
-    /**
-      * Fire an event.
-      * @method fire
-      * @returns {Object} event
-      * @param {string} type An event name.
-      * @param {any} detail
-      * @param {Node} onNode Target node.
-      */
-    fire: function(type, detail, onNode, bubbles, cancelable) {
-      var node = onNode || this;
-      var detail = detail || {};
-      var event = new CustomEvent(type, {
-        bubbles: (bubbles !== undefined ? bubbles : true), 
-        cancelable: (cancelable !== undefined ? cancelable : true), 
-        detail: detail
-      });
-      node.dispatchEvent(event);
-      return event;
-    },
-    /**
-      * Fire an event asynchronously.
-      * @method asyncFire
-      * @param {string} type An event name.
-      * @param detail
-      * @param {Node} toNode Target node.
-      */
-    asyncFire: function(/*inType, inDetail*/) {
-      this.async("fire", arguments);
-    },
-    /**
-      * Remove class from old, add class to anew, if they exist
-      * @param classFollows
-      * @param anew A node.
-      * @param old A node
-      * @param className
-      */
-    classFollows: function(anew, old, className) {
-      if (old) {
-        old.classList.remove(className);
-      }
-      if (anew) {
-        anew.classList.add(className);
-      }
-    }
-  };
+
+<!--
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 
-  // no-operation function for handy stubs
-  var nop = function() {};
+<!--
+@group Polymer Core Elements
 
-  // null-object for handy stubs
-  var nob = {};
+The `core-layout` element is a helper for using
+[CSS3 Flexible Boxes](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Flexible_boxes).
+A `core-layout` element enables a set of css selectors for easy flexbox styling.
+
+Example:
 
-  // deprecated
+    <core-layout flow="h">
+      <div>Left</div>
+      <div core-flex>Main</div>
+      <div>Right</div>
+    </core-layout>
+
+ Renders something like this:
+
+    ---------------------------------
+    |-------------------------------|
+    ||Left|       Main       |Right||
+    |-------------------------------|
+    ---------------------------------
+
+__Note__: the `core-layout` element applies layout to itself if it has children or to
+its parent element, if it does not. This feature allows you to apply layout to an
+arbitrary parent.
+
+Elements can flow (layout) horizontally, such that their items are stack
+left to right or vertically, such that their items stack top to bottom. The
+default is horizontal flow. Set flow to `h` or `v`.
+
+To make a particular child _flexible_, use the `core-flex` attribute.
+You can control flexibility from 1 to 5 by giving the attribute a
+corresponding value. For other values, apply the css manually.
+
+It's common in flexbox parlance to hear the terms _main axis_ and _cross axis_.
+For an `h` flow the main axis is horizontal and the cross axis is vertical.
+The axis are exchanged for a `v` flow.
+
+To effect alignment in the main axis, use the `justify` attribute. The 
+supported values are `start`, `center`, `end`, and `between`.
+
+To effect alignment in the cross axis, use the `align` attribute. The
+supported values are `start`, `center`, and `end`.
+
+Note, it's also possible to include the `core-layout.css` stylesheet separate
+from the `core-layout` element. Including the element automatically includes
+the stylesheet. To use the stylesheet independent of the element, the same
+attributes can be used but they should be prefixed with `core-`.
+
+More examples:
+
+    <core-layout flow="v">
+
+      <div>Header</div>
+      <div core-flex>Body</div>
+      <div>Footer</div>
+
+    </core-layout>
+
+    ----------
+    ||------||
+    ||Header||
+    ||------||
+    ||Body  ||
+    ||      ||
+    ||      ||
+    ||      ||
+    ||      ||
+    ||      ||
+    ||      ||
+    ||------||
+    ||Footer||
+    ||------||
+    ----------
+
+Justify:
+
+    <core-layout flow="h" justify="end">
+      <div core-flex>Left</div>
+      <div>Main</div>
+      <div>Right</div>
+    </core-layout>
+
+    ---------------------------------
+    |-------------------------------|
+    ||              Left|Main|Right||
+    |-------------------------------|
+    ---------------------------------
+
+Align:
+
+    <core-layout flow="h" align="center">
+      <div>Left</div>
+      <div core-flex>Main</div>
+      <div>Right</div>
+    </core-layout>
+
+    ---------------------------------
+    |-------------------------------|
+    ||    |                  |     ||
+    ||Left|       Main       |Right||
+    ||    |                  |     ||
+    |-------------------------------|
+    ---------------------------------
+
+
+To layout contents of a parent element, place a `core-layout` inside of it:
+
+    <some-element>
+      <core-layout flow="h"></core-layout>
+      <div>Left</div>
+      <div core-flex>Main</div>
+      <div>Right</div>
+    <some-element>
+
+    ---------------------------------
+    |-------------------------------|
+    ||Left|       Main       |Right||
+    |-------------------------------|
+    ---------------------------------
+
+You may also use the `core-layout` stylesheet directly:
+
+    <link rel="stylesheet" href="../core-layout/core-layout.css">
+    <div core-flow="h" core-justify="end">
+      <div core-flex>Left</div>
+      <div>Main</div>
+      <div>Right</div>  
+    </div>
 
-  utils.asyncMethod = utils.async;
+    ---------------------------------
+    |-------------------------------|
+    ||              Left|Main|Right||
+    |-------------------------------|
+    ---------------------------------
 
-  // exports
+@element core-layout
+-->
 
-  scope.api.instance.utils = utils;
-  scope.nop = nop;
-  scope.nob = nob;
 
-})(Polymer);
-</script>
-<script>/*
- * Copyright 2013 The Polymer Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style
- * license that can be found in the LICENSE file.
- */
 
-(function(scope) {
-
-  // imports
-
-  var log = window.logFlags || {};
-  var EVENT_PREFIX = 'on-';
-
-  // instance events api
-  var events = {
-    // read-only
-    EVENT_PREFIX: EVENT_PREFIX,
-    // event listeners on host
-    addHostListeners: function() {
-      var events = this.eventDelegates;
-      log.events && (Object.keys(events).length > 0) && console.log('[%s] addHostListeners:', this.localName, events);
-      // NOTE: host events look like bindings but really are not;
-      // (1) we don't want the attribute to be set and (2) we want to support
-      // multiple event listeners ('host' and 'instance') and Node.bind
-      // by default supports 1 thing being bound.
-      // We do, however, leverage the event hookup code in PolymerExpressions
-      // so that we have a common code path for handling declarative events.
-      var self = this, bindable, eventName;
-      for (var n in events) {
-        eventName = EVENT_PREFIX + n;
-        bindable = PolymerExpressions.prepareEventBinding(
-          Path.get(events[n]),
-          eventName, 
-          {
-            resolveEventHandler: function(model, path, node) {
-              var fn = path.getValueFrom(self);
-              if (fn) {
-                return fn.bind(self);
-              }
-            }
-          }
-        );
-        bindable(this, this, false);
-      }
-    },
-    // call 'method' or function method on 'obj' with 'args', if the method exists
-    dispatchMethod: function(obj, method, args) {
-      if (obj) {
-        log.events && console.group('[%s] dispatch [%s]', obj.localName, method);
-        var fn = typeof method === 'function' ? method : obj[method];
-        if (fn) {
-          fn[args ? 'apply' : 'call'](obj, args);
-        }
-        log.events && console.groupEnd();
-        Platform.flush();
-      }
-    }
-  };
+<polymer-element name="core-layout" attributes="flow justify align isContainer" assetpath="../core-layout/">
+<template>
 
-  // exports
+  <style no-shim="">/*
+Copyright 2013 The Polymer Authors. All rights reserved.
+Use of this source code is governed by a BSD-style
+license that can be found in the LICENSE file.
+*/
 
-  scope.api.instance.events = events;
+[core-flow] {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: -moz-flex;
+  display: -webkit-flex;
+  display: flex;
+}
 
-})(Polymer);
-</script>
-<script>/*
- * Copyright 2013 The Polymer Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style
- * license that can be found in the LICENSE file.
- */
-(function(scope) {
-
-  // instance api for attributes
-
-  var attributes = {
-    copyInstanceAttributes: function () {
-      var a$ = this._instanceAttributes;
-      for (var k in a$) {
-        if (!this.hasAttribute(k)) {
-          this.setAttribute(k, a$[k]);
-        }
-      }
-    },
-    // for each attribute on this, deserialize value to property as needed
-    takeAttributes: function() {
-      // if we have no publish lookup table, we have no attributes to take
-      // TODO(sjmiles): ad hoc
-      if (this._publishLC) {
-        for (var i=0, a$=this.attributes, l=a$.length, a; (a=a$[i]) && i<l; i++) {
-          this.attributeToProperty(a.name, a.value);
-        }
-      }
-    },
-    // if attribute 'name' is mapped to a property, deserialize
-    // 'value' into that property
-    attributeToProperty: function(name, value) {
-      // try to match this attribute to a property (attributes are
-      // all lower-case, so this is case-insensitive search)
-      var name = this.propertyForAttribute(name);
-      if (name) {
-        // filter out 'mustached' values, these are to be
-        // replaced with bound-data and are not yet values
-        // themselves
-        if (value && value.search(scope.bindPattern) >= 0) {
-          return;
-        }
-        // get original value
-        var currentValue = this[name];
-        // deserialize Boolean or Number values from attribute
-        var value = this.deserializeValue(value, currentValue);
-        // only act if the value has changed
-        if (value !== currentValue) {
-          // install new value (has side-effects)
-          this[name] = value;
-        }
-      }
-    },
-    // return the published property matching name, or undefined
-    propertyForAttribute: function(name) {
-      var match = this._publishLC && this._publishLC[name];
-      //console.log('propertyForAttribute:', name, 'matches', match);
-      return match;
-    },
-    // convert representation of 'stringValue' based on type of 'currentValue'
-    deserializeValue: function(stringValue, currentValue) {
-      return scope.deserializeValue(stringValue, currentValue);
-    },
-    serializeValue: function(value, inferredType) {
-      if (inferredType === 'boolean') {
-        return value ? '' : undefined;
-      } else if (inferredType !== 'object' && inferredType !== 'function'
-          && value !== undefined) {
-        return value;
-      }
-    },
-    reflectPropertyToAttribute: function(name) {
-      var inferredType = typeof this[name];
-      // try to intelligently serialize property value
-      var serializedValue = this.serializeValue(this[name], inferredType);
-      // boolean properties must reflect as boolean attributes
-      if (serializedValue !== undefined) {
-        this.setAttribute(name, serializedValue);
-        // TODO(sorvell): we should remove attr for all properties
-        // that have undefined serialization; however, we will need to
-        // refine the attr reflection system to achieve this; pica, for example,
-        // relies on having inferredType object properties not removed as
-        // attrs.
-      } else if (inferredType === 'boolean') {
-        this.removeAttribute(name);
-      }
-    }
-  };
-
-  // exports
-
-  scope.api.instance.attributes = attributes;
-
-})(Polymer);
-</script>
-<script>/*
- * Copyright 2013 The Polymer Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style
- * license that can be found in the LICENSE file.
- */
-(function(scope) {
+[core-flow=h] {
+  -webkit-box-orient: horizontal;
+  -ms-flex-direction: row;
+  -moz-flex-direction: row;
+  -webkit-flex-direction: row;
+  flex-direction: row;
+}
 
-  // imports
+[core-flow=h][core-reverse] {
+  -webkit-box-direction: reverse;
+  -ms-flex-direction: row-reverse;
+  -moz-flex-direction: row-reverse;
+  -webkit-flex-direction: row-reverse;
+  flex-direction: row-reverse;
+}
 
-  var log = window.logFlags || {};
+[core-flow=v] {
+  -webkit-box-orient: vertical;
+  -ms-flex-direction: column;
+  -moz-flex-direction: column;
+  -webkit-flex-direction: column;
+  flex-direction: column;
+}
 
-  // magic words
+[core-flow=v][core-reverse] {
+  -webkit-box-direction: reverse;
+  -ms-flex-direction: column-reverse;
+  -moz-flex-direction: column-reverse;
+  -webkit-flex-direction: column-reverse;
+  flex-direction: column-reverse;
+}
 
-  var OBSERVE_SUFFIX = 'Changed';
+[core-relative] {
+  position: relative;
+}
 
-  // element api
+[core-fit] {
+  position: absolute;
+  top: 0;
+  left: 0;
+  height: 100%;
+  width: 100%;
+}
 
-  var empty = [];
+body[core-fit] {
+  margin: 0;
+}
 
-  var properties = {
-    observeProperties: function() {
-      var n$ = this._observeNames, pn$ = this._publishNames;
-      if ((n$ && n$.length) || (pn$ && pn$.length)) {
-        var self = this;
-        var o = this._propertyObserver = new CompoundObserver();
-        // keep track of property observer so we can shut it down
-        this.registerObservers([o]);
-        for (var i=0, l=n$.length, n; (i<l) && (n=n$[i]); i++) {
-          o.addPath(this, n);
-          // observer array properties
-          var pd = Object.getOwnPropertyDescriptor(this.__proto__, n);
-          if (pd && pd.value) {
-            this.observeArrayValue(n, pd.value, null);
-          }
-        }
-        for (var i=0, l=pn$.length, n; (i<l) && (n=pn$[i]); i++) {
-          if (!this.observe || (this.observe[n] === undefined)) {
-            o.addPath(this, n);
-          }
-        }
-        o.open(this.notifyPropertyChanges, this);
-      }
-    },
-    notifyPropertyChanges: function(newValues, oldValues, paths) {
-      var name, method, called = {};
-      for (var i in oldValues) {
-        // note: paths is of form [object, path, object, path]
-        name = paths[2 * i + 1];
-        if (this.publish[name] !== undefined) {
-          this.reflectPropertyToAttribute(name);
-        }
-        method = this.observe[name];
-        if (method) {
-          this.observeArrayValue(name, newValues[i], oldValues[i]);
-          if (!called[method]) {
-            called[method] = true;
-            // observes the value if it is an array
-            this.invokeMethod(method, [oldValues[i], newValues[i], arguments]);
-          }
-        }
-      }
-    },
-    observeArrayValue: function(name, value, old) {
-      // we only care if there are registered side-effects
-      var callbackName = this.observe[name];
-      if (callbackName) {
-        // if we are observing the previous value, stop
-        if (Array.isArray(old)) {
-          log.observe && console.log('[%s] observeArrayValue: unregister observer [%s]', this.localName, name);
-          this.closeNamedObserver(name + '__array');
-        }
-        // if the new value is an array, being observing it
-        if (Array.isArray(value)) {
-          log.observe && console.log('[%s] observeArrayValue: register observer [%s]', this.localName, name, value);
-          var observer = new ArrayObserver(value);
-          observer.open(function(value, old) {
-            this.invokeMethod(callbackName, [old]);
-          }, this);
-          this.registerNamedObserver(name + '__array', observer);
-        }
-      }
-    },
-    bindProperty: function(property, observable) {
-      // apply Polymer two-way reference binding
-      return bindProperties(this, property, observable);
-    },
-    invokeMethod: function(method, args) {
-      var fn = this[method] || method;
-      if (typeof fn === 'function') {
-        fn.apply(this, args);
-      }
-    },
-    registerObservers: function(observers) {
-      this._observers.push(observers);
-    },
-    // observer array items are arrays of observers.
-    closeObservers: function() {
-      for (var i=0, l=this._observers.length; i<l; i++) {
-        this.closeObserverArray(this._observers[i]);
-      }
-      this._observers = [];
-    },
-    closeObserverArray: function(observerArray) {
-      for (var i=0, l=observerArray.length, o; i<l; i++) {
-        o = observerArray[i];
-        if (o && o.close) {
-          o.close();
-        }
-      }
-    },
-    // bookkeeping observers for memory management
-    registerNamedObserver: function(name, observer) {
-      var o$ = this._namedObservers || (this._namedObservers = {});
-      o$[name] = observer;
-    },
-    closeNamedObserver: function(name) {
-      var o$ = this._namedObservers;
-      if (o$ && o$[name]) {
-        o$[name].close();
-        o$[name] = null;
-        return true;
-      }
-    },
-    closeNamedObservers: function() {
-      if (this._namedObservers) {
-        var keys=Object.keys(this._namedObservers);
-        for (var i=0, l=keys.length, k, o; (i < l) && (k=keys[i]); i++) {
-          o = this._namedObservers[k];
-          o.close();
-        }
-        this._namedObservers = {};
-      }
-    }
-  };
+[core-flex] {
+  -webkit-box-flex: 1;
+  -ms-flex: 1;
+  -moz-flex: 1;
+  -webkit-flex: 1;
+  flex: 1;
+}
 
-  // property binding
-  // bind a property in A to a path in B by converting A[property] to a
-  // getter/setter pair that accesses B[...path...]
-  function bindProperties(inA, inProperty, observable) {
-    log.bind && console.log(LOG_BIND_PROPS, inB.localName || 'object', inPath, inA.localName, inProperty);
-    // capture A's value if B's value is null or undefined,
-    // otherwise use B's value
-    // TODO(sorvell): need to review, can do with ObserverTransform
-    var v = observable.discardChanges();
-    if (v === null || v === undefined) {
-      observable.setValue(inA[inProperty]);
-    }
-    return Observer.defineComputedProperty(inA, inProperty, observable);
-  }
+[core-flex=1] {
+  -webkit-box-flex: 1;
+  -ms-flex: 1;
+  -moz-flex: 1;
+  -webkit-flex: 1;
+  flex: 1;
+}
 
-  // logging
-  var LOG_OBSERVE = '[%s] watching [%s]';
-  var LOG_OBSERVED = '[%s#%s] watch: [%s] now [%s] was [%s]';
-  var LOG_CHANGED = '[%s#%s] propertyChanged: [%s] now [%s] was [%s]';
-  var LOG_BIND_PROPS = "[%s]: bindProperties: [%s] to [%s].[%s]";
+[core-flex=2] {
+  -webkit-box-flex: 2;
+  -ms-flex: 2;
+  -moz-flex: 2;
+  -webkit-flex: 2;
+  flex: 2;
+}
 
-  // exports
+[core-flex=3] {
+  -webkit-box-flex: 3;
+  -ms-flex: 3;
+  -moz-flex: 3;
+  -webkit-flex: 3;
+  flex: 3;
+}
 
-  scope.api.instance.properties = properties;
+[core-flex=4] {
+  -webkit-box-flex: 4;
+  -ms-flex: 4;
+  -moz-flex: 4;
+  -webkit-flex: 4;
+  flex: 4;
+}
 
-})(Polymer);
-</script>
-<script>/*
- * Copyright 2013 The Polymer Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style
- * license that can be found in the LICENSE file.
- */
-(function(scope) {
+[core-flex=5] {
+  -webkit-box-flex: 5;
+  -ms-flex: 5;
+  -moz-flex: 5;
+  -webkit-flex: 5;
+  flex: 5;
+}
 
-  // imports
+/* distributed elements */
+::content > [core-flex] {
+  -webkit-box-flex: 1;
+  -ms-flex: 1;
+  -moz-flex: 1;
+  -webkit-flex: 1;
+  flex: 1;
+}
 
-  var log = window.logFlags || 0;
-  var events = scope.api.instance.events;
+::content > [core-flex=1] {
+  -webkit-box-flex: 1;
+  -ms-flex: 1;
+  -moz-flex: 1;
+  -webkit-flex: 1;
+  flex: 1;
+}
 
-  var syntax = new PolymerExpressions();
-  syntax.resolveEventHandler = function(model, path, node) {
-    var ctlr = findEventController(node);
-    if (ctlr) {
-      var fn = path.getValueFrom(ctlr);
-      if (fn) {
-        return fn.bind(ctlr);
-      }
-    }
-  }
+::content > [core-flex=2] {
+  -webkit-box-flex: 2;
+  -ms-flex: 2;
+  -moz-flex: 2;
+  -webkit-flex: 2;
+  flex: 2;
+}
 
-  // An event controller is the host element for the shadowRoot in which 
-  // the node exists, or the first ancestor with a 'lightDomController'
-  // property.
-  function findEventController(node) {
-    while (node.parentNode) {
-      if (node.lightDomController) {
-        return node;
-      }
-      node = node.parentNode;
-    }
-    return node.host;
-  };
-
-  // element api supporting mdv
-
-  var mdv = {
-    syntax: syntax,
-    instanceTemplate: function(template) {
-      var dom = template.createInstance(this, this.syntax);
-      this.registerObservers(dom.bindings_);
-      return dom;
-    },
-    bind: function(name, observable, oneTime) {
-      var property = this.propertyForAttribute(name);
-      if (!property) {
-        // TODO(sjmiles): this mixin method must use the special form
-        // of `super` installed by `mixinMethod` in declaration/prototype.js
-        return this.mixinSuper(arguments);
-      } else {
-        // use n-way Polymer binding
-        var observer = this.bindProperty(property, observable);
-        this.reflectPropertyToAttribute(property);
-        // NOTE: reflecting binding information is typically required only for
-        // tooling. It has a performance cost so it's opt-in in Node.bind.
-        if (Platform.enableBindingsReflection) {
-          observer.path = observable.path_;
-          this.bindings_ = this.bindings_ || {};
-          this.bindings_[name] = observer;
-        }
-        return observer;
-      }
-    },
-    // TODO(sorvell): unbind/unbindAll has been removed, as public api, from
-    // TemplateBinding. We still need to close/dispose of observers but perhaps
-    // we should choose a more explicit name.
-    asyncUnbindAll: function() {
-      if (!this._unbound) {
-        log.unbind && console.log('[%s] asyncUnbindAll', this.localName);
-        this._unbindAllJob = this.job(this._unbindAllJob, this.unbindAll, 0);
-      }
-    },
-    unbindAll: function() {
-      if (!this._unbound) {
-        this.closeObservers();
-        this.closeNamedObservers();
-        this._unbound = true;
-      }
-    },
-    cancelUnbindAll: function() {
-      if (this._unbound) {
-        log.unbind && console.warn('[%s] already unbound, cannot cancel unbindAll', this.localName);
-        return;
-      }
-      log.unbind && console.log('[%s] cancelUnbindAll', this.localName);
-      if (this._unbindAllJob) {
-        this._unbindAllJob = this._unbindAllJob.stop();
-      }
-    }
-  };
+::content > [core-flex=3] {
+  -webkit-box-flex: 3;
+  -ms-flex: 3;
+  -moz-flex: 3;
+  -webkit-flex: 3;
+  flex: 3;
+}
 
-  function unbindNodeTree(node) {
-    forNodeTree(node, _nodeUnbindAll);
-  }
+::content > [core-flex=4] {
+  -webkit-box-flex: 4;
+  -ms-flex: 4;
+  -moz-flex: 4;
+  -webkit-flex: 4;
+  flex: 4;
+}
 
-  function _nodeUnbindAll(node) {
-    node.unbindAll();
-  }
+::content > [core-flex=5] {
+  -webkit-box-flex: 5;
+  -ms-flex: 5;
+  -moz-flex: 5;
+  -webkit-flex: 5;
+  flex: 5;
+}
 
-  function forNodeTree(node, callback) {
-    if (node) {
-      callback(node);
-      for (var child = node.firstChild; child; child = child.nextSibling) {
-        forNodeTree(child, callback);
-      }
-    }
-  }
+/* alignment in main axis */
+[justify=start] {
+  -webkit-box-pack: start;
+  -ms-flex-pack: start;
+  -moz-justify-content: flex-start;
+  -webkit-justify-content: flex-start;
+  justify-content: flex-start;
+}
 
-  var mustachePattern = /\{\{([^{}]*)}}/;
+[core-justify=center] {
+  -webkit-box-pack: center;
+  -ms-flex-pack: center;
+  -moz-justify-content: center;
+  -webkit-justify-content: center;
+  justify-content: center;
+}
 
-  // exports
+[core-justify=end] {
+  -webkit-box-pack: end;
+  -ms-flex-pack: end;
+  -moz-justify-content: flex-end;
+  -webkit-justify-content: flex-end;
+  justify-content: flex-end;
+}
 
-  scope.bindPattern = mustachePattern;
-  scope.api.instance.mdv = mdv;
+[core-justify=between] {
+  -webkit-box-pack: justify;
+  -ms-flex-pack: justify;
+  -moz-justify-content: space-between;
+  -webkit-justify-content: space-between;
+  justify-content: space-between;
+}
 
-})(Polymer);
-</script>
-<script>/*
- * Copyright 2013 The Polymer Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style
- * license that can be found in the LICENSE file.
- */
-(function(scope) {
-
-  var base = {
-    PolymerBase: true,
-    job: function(job, callback, wait) {
-      if (typeof job === 'string') {
-        var n = '___' + job;
-        this[n] = Polymer.job.call(this, this[n], callback, wait);
-      } else {
-        return Polymer.job.call(this, job, callback, wait);
-      }
-    },
-    super: Polymer.super,
-    // user entry point for element has had its createdCallback called
-    created: function() {
-    },
-    // user entry point for element has shadowRoot and is ready for
-    // api interaction
-    ready: function() {
-    },
-    createdCallback: function() {
-      this.created();
-      this.prepareElement();
-    },
-    // system entry point, do not override
-    prepareElement: function() {
-      this._elementPrepared = true;
-      // install shadowRoots storage
-      this.shadowRoots = {};
-      // storage for closeable observers.
-      this._observers = [];
-      // install property observers
-      this.observeProperties();
-      // install boilerplate attributes
-      this.copyInstanceAttributes();
-      // process input attributes
-      this.takeAttributes();
-      // add event listeners
-      this.addHostListeners();
-      // process declarative resources
-      this.parseDeclarations(this.__proto__);
-      // TODO(sorvell): CE polyfill uses unresolved attribute to simulate
-      // :unresolved; remove this attribute to be compatible with native
-      // CE.
-      this.removeAttribute('unresolved');
-      // user entry point
-      this.ready();
-    },
-    attachedCallback: function() {
-      this.cancelUnbindAll();
-      // invoke user action
-      if (this.attached) {
-        this.attached();
-      }
-      // TODO(sorvell): bc
-      if (this.enteredView) {
-        this.enteredView();
-      }
-      // NOTE: domReady can be used to access elements in dom (descendants, 
-      // ancestors, siblings) such that the developer is enured to upgrade
-      // ordering. If the element definitions have loaded, domReady
-      // can be used to access upgraded elements.
-      if (!this.hasBeenAttached) {
-        this.hasBeenAttached = true;
-        if (this.domReady) {
-          this.async('domReady');
-        }
-      }
-    },
-    detachedCallback: function() {
-      if (!this.preventDispose) {
-        this.asyncUnbindAll();
-      }
-      // invoke user action
-      if (this.detached) {
-        this.detached();
-      }
-      // TODO(sorvell): bc
-      if (this.leftView) {
-        this.leftView();
-      }
-    },
-    // TODO(sorvell): bc
-    enteredViewCallback: function() {
-      this.attachedCallback();
-    },
-    // TODO(sorvell): bc
-    leftViewCallback: function() {
-      this.detachedCallback();
-    },
-    // TODO(sorvell): bc
-    enteredDocumentCallback: function() {
-      this.attachedCallback();
-    },
-    // TODO(sorvell): bc
-    leftDocumentCallback: function() {
-      this.detachedCallback();
-    },
-    // recursive ancestral <element> initialization, oldest first
-    parseDeclarations: function(p) {
-      if (p && p.element) {
-        this.parseDeclarations(p.__proto__);
-        p.parseDeclaration.call(this, p.element);
-      }
-    },
-    // parse input <element> as needed, override for custom behavior
-    parseDeclaration: function(elementElement) {
-      var template = this.fetchTemplate(elementElement);
-      if (template) {
-        var root = this.shadowFromTemplate(template);
-        this.shadowRoots[elementElement.name] = root;
-      }
-    },
-    // return a shadow-root template (if desired), override for custom behavior
-    fetchTemplate: function(elementElement) {
-      return elementElement.querySelector('template');
-    },
-    // utility function that creates a shadow root from a <template>
-    shadowFromTemplate: function(template) {
-      if (template) {
-        // make a shadow root
-        var root = this.createShadowRoot();
-        // stamp template
-        // which includes parsing and applying MDV bindings before being 
-        // inserted (to avoid {{}} in attribute values)
-        // e.g. to prevent <img src="images/{{icon}}"> from generating a 404.
-        var dom = this.instanceTemplate(template);
-        // append to shadow dom
-        root.appendChild(dom);
-        // perform post-construction initialization tasks on shadow root
-        this.shadowRootReady(root, template);
-        // return the created shadow root
-        return root;
-      }
-    },
-    // utility function that stamps a <template> into light-dom
-    lightFromTemplate: function(template, refNode) {
-      if (template) {
-        // TODO(sorvell): mark this element as a lightDOMController so that
-        // event listeners on bound nodes inside it will be called on it.
-        // Note, the expectation here is that events on all descendants 
-        // should be handled by this element.
-        this.lightDomController = true;
-        // stamp template
-        // which includes parsing and applying MDV bindings before being 
-        // inserted (to avoid {{}} in attribute values)
-        // e.g. to prevent <img src="images/{{icon}}"> from generating a 404.
-        var dom = this.instanceTemplate(template);
-        // append to shadow dom
-        if (refNode) {
-          this.insertBefore(dom, refNode);          
-        } else {
-          this.appendChild(dom);
-        }
-        // perform post-construction initialization tasks on ahem, light root
-        this.shadowRootReady(this);
-        // return the created shadow root
-        return dom;
-      }
-    },
-    shadowRootReady: function(root) {
-      // locate nodes with id and store references to them in this.$ hash
-      this.marshalNodeReferences(root);
-      // set up pointer gestures
-      PointerGestures.register(root);
-    },
-    // locate nodes with id and store references to them in this.$ hash
-    marshalNodeReferences: function(root) {
-      // establish $ instance variable
-      var $ = this.$ = this.$ || {};
-      // populate $ from nodes with ID from the LOCAL tree
-      if (root) {
-        var n$ = root.querySelectorAll("[id]");
-        for (var i=0, l=n$.length, n; (i<l) && (n=n$[i]); i++) {
-          $[n.id] = n;
-        };
-      }
-    },
-    attributeChangedCallback: function(name, oldValue) {
-      // TODO(sjmiles): adhoc filter
-      if (name !== 'class' && name !== 'style') {
-        this.attributeToProperty(name, this.getAttribute(name));
-      }
-      if (this.attributeChanged) {
-        this.attributeChanged.apply(this, arguments);
-      }
-    },
-    onMutation: function(node, listener) {
-      var observer = new MutationObserver(function(mutations) {
-        listener.call(this, observer, mutations);
-        observer.disconnect();
-      }.bind(this));
-      observer.observe(node, {childList: true, subtree: true});
-    }
-  };
+/* alignment in cross axis */
+[core-align=start] {
+  -webkit-box-align: start;
+  -ms-flex-align: start;
+  -moz-align-items: flex-start;
+  -webkit-align-items: flex-start;
+  align-items: flex-start;
+}
 
-  // true if object has own PolymerBase api
-  function isBase(object) {
-    return object.hasOwnProperty('PolymerBase') 
-  }
+[core-align=center] {
+  -webkit-box-align: center;
+  -ms-flex-align: center;
+  -moz-align-items: center;
+  -webkit-align-items: center;
+  align-items: center;
+}
 
-  // name a base constructor for dev tools
+[core-align=end] {
+  -webkit-box-align: end;
+  -ms-flex-align: end;
+  -moz-align-items: flex-end;
+  -webkit-align-items: flex-end;
+  align-items: flex-end;
+}
+</style>
+  <style no-shim="">/*
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+*/
 
-  function PolymerBase() {};
-  PolymerBase.prototype = base;
-  base.constructor = PolymerBase;
+:host {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: -moz-flex;
+  display: -webkit-flex;
+  display: flex;
+}
   
-  // exports
-
-  scope.Base = PolymerBase;
-  scope.isBase = isBase;
-  scope.api.instance.base = base;
+:host([core-flow=h]) {
+  -webkit-box-orient: horizontal;
+  -ms-flex-direction: row;
+  -moz-flex-direction: row;
+  -webkit-flex-direction: row;
+  flex-direction: row;
+}
   
-})(Polymer);
-</script>
-<script>/*
- * Copyright 2013 The Polymer Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style
- * license that can be found in the LICENSE file.
- */
-(function(scope) {
-
-  // imports
+:host([core-flow=v]) {
+  -webkit-box-orient: vertical;
+  -ms-flex-direction: column;
+  -moz-flex-direction: column;
+  -webkit-flex-direction: column;
+  flex-direction: column;
+}
 
-  var log = window.logFlags || {};
-  
-  // magic words
-  
-  var STYLE_SCOPE_ATTRIBUTE = 'element';
-  var STYLE_CONTROLLER_SCOPE = 'controller';
-  
-  var styles = {
-    STYLE_SCOPE_ATTRIBUTE: STYLE_SCOPE_ATTRIBUTE,
-    /**
-     * Installs external stylesheets and <style> elements with the attribute 
-     * polymer-scope='controller' into the scope of element. This is intended
-     * to be a called during custom element construction.
-    */
-    installControllerStyles: function() {
-      // apply controller styles, but only if they are not yet applied
-      var scope = this.findStyleScope();
-      if (scope && !this.scopeHasNamedStyle(scope, this.localName)) {
-        // allow inherited controller styles
-        var proto = getPrototypeOf(this), cssText = '';
-        while (proto && proto.element) {
-          cssText += proto.element.cssTextForScope(STYLE_CONTROLLER_SCOPE);
-          proto = getPrototypeOf(proto);
-        }
-        if (cssText) {
-          this.installScopeCssText(cssText, scope);
-        }
-      }
-    },
-    installScopeStyle: function(style, name, scope) {
-      var scope = scope || this.findStyleScope(), name = name || '';
-      if (scope && !this.scopeHasNamedStyle(scope, this.localName + name)) {
-        var cssText = '';
-        if (style instanceof Array) {
-          for (var i=0, l=style.length, s; (i<l) && (s=style[i]); i++) {
-            cssText += s.textContent + '\n\n';
-          }
-        } else {
-          cssText = style.textContent;
-        }
-        this.installScopeCssText(cssText, scope, name);
-      }
-    },
-    installScopeCssText: function(cssText, scope, name) {
-      scope = scope || this.findStyleScope();
-      name = name || '';
-      if (!scope) {
-        return;
-      }
-      if (window.ShadowDOMPolyfill) {
-        cssText = shimCssText(cssText, scope.host);
-      }
-      var style = this.element.cssTextToScopeStyle(cssText,
-          STYLE_CONTROLLER_SCOPE);
-      Polymer.applyStyleToScope(style, scope);
-      // cache that this style has been applied
-      scope._scopeStyles[this.localName + name] = true;
-    },
-    findStyleScope: function(node) {
-      // find the shadow root that contains this element
-      var n = node || this;
-      while (n.parentNode) {
-        n = n.parentNode;
-      }
-      return n;
-    },
-    scopeHasNamedStyle: function(scope, name) {
-      scope._scopeStyles = scope._scopeStyles || {};
-      return scope._scopeStyles[name];
-    }
-  };
+:host([core-flow=h][core-reverse]) {
+  -webkit-box-direction: reverse;
+  -ms-flex-direction: row-reverse;
+  -moz-flex-direction: row-reverse;
+  -webkit-flex-direction: row-reverse;
+  flex-direction: row-reverse;
+}
   
-  // NOTE: use raw prototype traversal so that we ensure correct traversal
-  // on platforms where the protoype chain is simulated via __proto__ (IE10)
-  function getPrototypeOf(prototype) {
-    return prototype.__proto__;
-  }
-
-  function shimCssText(cssText, host) {
-    var name = '', is = false;
-    if (host) {
-      name = host.localName;
-      is = host.hasAttribute('is');
-    }
-    var selector = Platform.ShadowCSS.makeScopeSelector(name, is);
-    return Platform.ShadowCSS.shimCssText(cssText, selector);
-  }
-
-  // exports
+:host([core-flow=v][core-reverse]) {
+  -webkit-box-direction: reverse;
+  -ms-flex-direction: column-reverse;
+  -moz-flex-direction: column-reverse;
+  -webkit-flex-direction: column-reverse;
+  flex-direction: column-reverse;
+}
 
-  scope.api.instance.styles = styles;
-  
-})(Polymer);
-</script>
-<script>/*
- * Copyright 2013 The Polymer Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style
- * license that can be found in the LICENSE file.
- */
-(function(scope) {
+/* alignment in main axis */
+:host([core-justify=start]) {
+  -webkit-box-pack: start;
+  -ms-flex-pack: start;
+  -moz-justify-content: flex-start;
+  -webkit-justify-content: flex-start;
+  justify-content: flex-start;
+}
 
-  // imports
+:host([core-justify=center]) {
+  -webkit-box-pack: center;
+  -ms-flex-pack: center;
+  -moz-justify-content: center;
+  -webkit-justify-content: center;
+  justify-content: center;
+}
 
-  var extend = scope.extend;
-  var api = scope.api;
+:host([core-justify=end]) {
+  -webkit-box-pack: end;
+  -ms-flex-pack: end;
+  -moz-justify-content: flex-end;
+  -webkit-justify-content: flex-end;
+  justify-content: flex-end;
+}
 
-  // imperative implementation: Polymer()
+:host([core-justify=between]) {
+  -webkit-box-pack: justify;
+  -ms-flex-pack: justify;
+  -moz-justify-content: space-between;
+  -webkit-justify-content: space-between;
+  justify-content: space-between;
+}
 
-  // specify an 'own' prototype for tag `name`
-  function element(name, prototype) {
-    if (arguments.length === 1 && typeof arguments[0] !== 'string') {
-      prototype = name;
-      var script = document._currentScript;
-      name = script && script.parentNode && script.parentNode.getAttribute ?
-          script.parentNode.getAttribute('name') : '';
-      if (!name) {
-        throw 'Element name could not be inferred.';
-      }
-    }
-    if (getRegisteredPrototype[name]) {
-      throw 'Already registered (Polymer) prototype for element ' + name;
-    }
-    // cache the prototype
-    registerPrototype(name, prototype);
-    // notify the registrar waiting for 'name', if any
-    notifyPrototype(name);
-  }
+/* alignment in cross axis */
+:host([core-align=start]) {
+  -webkit-box-align: start;
+  -ms-flex-align: start;
+  -moz-align-items: flex-start;
+  -webkit-align-items: flex-start;
+  align-items: flex-start;
+}
 
-  // async prototype source
+:host([core-align=center]) {
+  -webkit-box-align: center;
+  -ms-flex-align: center;
+  -moz-align-items: center;
+  -webkit-align-items: center;
+  align-items: center;
+}
+  
+:host([core-align=end]) {
+  -webkit-box-align: end;
+  -ms-flex-align: end;
+  -moz-align-items: flex-end;
+  -webkit-align-items: flex-end;
+  align-items: flex-end;
+}
+</style>
 
-  function waitingForPrototype(name, client) {
-    waitPrototype[name] = client;
-  }
+</template>
+<script>
 
-  var waitPrototype = {};
+  Polymer('core-layout', {
+    /**
+      * If true, the host element of the core-layout element becomes a 
+      * flexbox. Apply additional layout classes to the host element to customize
+      * its styling.
+      * 
+      * @attribute host
+      * @type boolean
+      * @default false
+      */
 
-  function notifyPrototype(name) {
-    if (waitPrototype[name]) {
-      waitPrototype[name].registerWhenReady();
-      delete waitPrototype[name];
-    }
-  }
+    /**
+      * Controls how the element lays out or flows. Set to `h` for a 
+      * horizontal flow or `v` for a vertical flow. 
+      *
+      * @attribute flow
+      * @type string h|v
+      * @default ''
+      */
+    flow: '',
 
-  // utility and bookkeeping
+    /**
+      * Controls how the items are aligned in the flow direction. For 
+      * example for a flow of `h`, this controls how each item is aligned
+      * horizontally.
+      *
+      * @attribute justify
+      * @type string start|center|end|between
+      * @default ''
+      */
+    justify: '',
 
-  // maps tag names to prototypes, as registered with
-  // Polymer. Prototypes associated with a tag name
-  // using document.registerElement are available from
-  // HTMLElement.getPrototypeForTag().
-  // If an element was fully registered by Polymer, then
-  // Polymer.getRegisteredPrototype(name) === 
-  //   HTMLElement.getPrototypeForTag(name)
+    /**
+      * Controls how the items are aligned in cross-flow direction. For 
+      * example for a flow of `h`, this controls how each item is aligned
+      * vertically.
+      *
+      * @attribute align
+      * @type string start|center|end
+      * @default ''
+      */
+    align: '',
 
-  var prototypesByName = {};
+    /**
+      * Controls whether or not the items layout in reverse order.
+      *
+      * @attribute reverse
+      * @type boolean
+      * @default false
+      */
+    reverse: false,
 
-  function registerPrototype(name, prototype) {
-    return prototypesByName[name] = prototype || {};
-  }
+    isContainer: false,
 
-  function getRegisteredPrototype(name) {
-    return prototypesByName[name];
-  }
+    layoutPrefix: 'core-',
 
-  // exports
+    // NOTE: include template so that styles are loaded, but remove
+    // so that we can decide dynamically what part to include
+    registerCallback: function(polymerElement) {
+      var template = polymerElement.querySelector('template');
+      this.styles = template.content.querySelectorAll('style').array();
+      this.styles.forEach(function(s) {
+        s.removeAttribute('no-shim');
+      })
+    },
 
-  scope.getRegisteredPrototype = getRegisteredPrototype;
-  scope.waitingForPrototype = waitingForPrototype;
+    fetchTemplate: function() {
+      return null;
+    },
 
-  // namespace shenanigans so we can expose our scope on the registration 
-  // function
+    attached: function() {
+      this.installScopeStyle(this.styles[0]);
+      if (this.children.length) {
+        this.isContainer = true;
+      }
+      var container = this.isContainer ? this : this.parentNode;  
+      // detect if laying out a shadowRoot host.
+      var forHost = container instanceof ShadowRoot;
+      if (forHost) {
+        this.installScopeStyle(this.styles[1], 'host');
+        container = container.host || document.body;
+      }
+      this.layoutContainer = container;
+    },
 
-  // make window.Polymer reference `element()`
+    detached: function() {
+      this.layoutContainer = null;
+    },
 
-  window.Polymer = element;
+    layoutContainerChanged: function(old) {
+      this.style.display = this.layoutContainer === this ? null : 'none';
+      this.flowChanged();
+      this.alignChanged();
+      this.justifyChanged();
+    },
 
-  // TODO(sjmiles): find a way to do this that is less terrible
-  // copy window.Polymer properties onto `element()`
+    setLayoutAttribute: function(name, value) {
+      if (this.layoutContainer && name) {
+        if (value) {
+          this.layoutContainer.setAttribute(this.layoutPrefix + name, value);
+        } else {
+          this.layoutContainer.removeAttribute(name);
+        }
+      }
+    },
 
-  extend(Polymer, scope);
+    flowChanged: function() {
+      this.setLayoutAttribute('flow', this.flow || 'h');
+    },
 
-  // Under the HTMLImports polyfill, scripts in the main document
-  // do not block on imports; we want to allow calls to Polymer in the main
-  // document. Platform collects those calls until we can process them, which
-  // we do here.
+    alignChanged: function() {
+      this.setLayoutAttribute('align', this.align);
+    },
 
-  var declarations = Platform.deliverDeclarations();
-  if (declarations) {
-    for (var i=0, l=declarations.length, d; (i<l) && (d=declarations[i]); i++) {
-      element.apply(null, d);
+    justifyChanged: function() {
+      this.setLayoutAttribute('justify', this.justify);
     }
-  }
 
-})(Polymer);
+  });
+
 </script>
-<script>/* 
- * Copyright 2013 The Polymer Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style
- * license that can be found in the LICENSE file.
- */
-
-(function(scope) {
-
-var path = {
-  resolveElementPaths: function(node) {
-    Platform.urlResolver.resolveDom(node);
-  },
-  addResolvePathApi: function() {
-    // let assetpath attribute modify the resolve path
-    var assetPath = this.getAttribute('assetpath') || '';
-    var root = new URL(assetPath, this.ownerDocument.baseURI);
-    this.prototype.resolvePath = function(urlPath, base) {
-      var u = new URL(urlPath, base || root);
-      return u.href;
-    };
-  }
-};
-
-// exports
-scope.api.declaration.path = path;
+</polymer-element>
 
-})(Polymer);
-</script>
-<script>/*
- * Copyright 2013 The Polymer Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style
- * license that can be found in the LICENSE file.
- */
-(function(scope) {
 
-  // imports
 
-  var log = window.logFlags || {};
-  var api = scope.api.instance.styles;
-  var STYLE_SCOPE_ATTRIBUTE = api.STYLE_SCOPE_ATTRIBUTE;
+<polymer-element name="core-layout-grid" attributes="nodes layout auto" assetpath="../core-layout-grid/">
+<script>
+  (function() {
 
-  // magic words
+    Polymer('core-layout-grid', {
 
-  var STYLE_SELECTOR = 'style';
-  var STYLE_LOADABLE_MATCH = '@import';
-  var SHEET_SELECTOR = 'link[rel=stylesheet]';
-  var STYLE_GLOBAL_SCOPE = 'global';
-  var SCOPE_ATTR = 'polymer-scope';
+      nodes: null,
+      layout: null,
+      auto: false,
 
-  var styles = {
-    // returns true if resources are loading
-    loadStyles: function(callback) {
-      var content = this.templateContent();
-      if (content) {
-        this.convertSheetsToStyles(content);
-      }
-      var styles = this.findLoadableStyles(content);
-      if (styles.length) {
-        Platform.styleResolver.loadStyles(styles, callback);
-      } else if (callback) {
-        callback();
-      }
-    },
-    convertSheetsToStyles: function(root) {
-      var s$ = root.querySelectorAll(SHEET_SELECTOR);
-      for (var i=0, l=s$.length, s, c; (i<l) && (s=s$[i]); i++) {
-        c = createStyleElement(importRuleForSheet(s, this.ownerDocument.baseURI),
-            this.ownerDocument);
-        this.copySheetAttributes(c, s);
-        s.parentNode.replaceChild(c, s);
-      }
-    },
-    copySheetAttributes: function(style, link) {
-      for (var i=0, a$=link.attributes, l=a$.length, a; (a=a$[i]) && i<l; i++) {
-        if (a.name !== 'rel' && a.name !== 'href') {
-          style.setAttribute(a.name, a.value);
-        }
-      }
-    },
-    findLoadableStyles: function(root) {
-      var loadables = [];
-      if (root) {
-        var s$ = root.querySelectorAll(STYLE_SELECTOR);
-        for (var i=0, l=s$.length, s; (i<l) && (s=s$[i]); i++) {
-          if (s.textContent.match(STYLE_LOADABLE_MATCH)) {
-            loadables.push(s);
-          }
-        }
-      }
-      return loadables;
-    },
-    /**
-     * Install external stylesheets loaded in <polymer-element> elements into the 
-     * element's template.
-     * @param elementElement The <element> element to style.
-     */
-    installSheets: function() {
-      this.cacheSheets();
-      this.cacheStyles();
-      this.installLocalSheets();
-      this.installGlobalStyles();
-    },
-    /**
-     * Remove all sheets from element and store for later use.
-     */
-    cacheSheets: function() {
-      this.sheets = this.findNodes(SHEET_SELECTOR);
-      this.sheets.forEach(function(s) {
-        if (s.parentNode) {
-          s.parentNode.removeChild(s);
-        }
-      });
-    },
-    cacheStyles: function() {
-      this.styles = this.findNodes(STYLE_SELECTOR + '[' + SCOPE_ATTR + ']');
-      this.styles.forEach(function(s) {
-        if (s.parentNode) {
-          s.parentNode.removeChild(s);
-        }
-      });
-    },
-    /**
-     * Takes external stylesheets loaded in an <element> element and moves
-     * their content into a <style> element inside the <element>'s template.
-     * The sheet is then removed from the <element>. This is done only so 
-     * that if the element is loaded in the main document, the sheet does
-     * not become active.
-     * Note, ignores sheets with the attribute 'polymer-scope'.
-     * @param elementElement The <element> element to style.
-     */
-    installLocalSheets: function () {
-      var sheets = this.sheets.filter(function(s) {
-        return !s.hasAttribute(SCOPE_ATTR);
-      });
-      var content = this.templateContent();
-      if (content) {
-        var cssText = '';
-        sheets.forEach(function(sheet) {
-          cssText += cssTextFromSheet(sheet) + '\n';
-        });
-        if (cssText) {
-          var style = createStyleElement(cssText, this.ownerDocument);
-          content.insertBefore(style, content.firstChild);
-        }
-      }
-    },
-    findNodes: function(selector, matcher) {
-      var nodes = this.querySelectorAll(selector).array();
-      var content = this.templateContent();
-      if (content) {
-        var templateNodes = content.querySelectorAll(selector).array();
-        nodes = nodes.concat(templateNodes);
-      }
-      return matcher ? nodes.filter(matcher) : nodes;
-    },
-    templateContent: function() {
-      var template = this.querySelector('template');
-      return template && templateContent(template);
-    },
-    /**
-     * Promotes external stylesheets and <style> elements with the attribute 
-     * polymer-scope='global' into global scope.
-     * This is particularly useful for defining @keyframe rules which 
-     * currently do not function in scoped or shadow style elements.
-     * (See wkb.ug/72462)
-     * @param elementElement The <element> element to style.
-    */
-    // TODO(sorvell): remove when wkb.ug/72462 is addressed.
-    installGlobalStyles: function() {
-      var style = this.styleForScope(STYLE_GLOBAL_SCOPE);
-      applyStyleToScope(style, document.head);
-    },
-    cssTextForScope: function(scopeDescriptor) {
-      var cssText = '';
-      // handle stylesheets
-      var selector = '[' + SCOPE_ATTR + '=' + scopeDescriptor + ']';
-      var matcher = function(s) {
-        return matchesSelector(s, selector);
-      };
-      var sheets = this.sheets.filter(matcher);
-      sheets.forEach(function(sheet) {
-        cssText += cssTextFromSheet(sheet) + '\n\n';
-      });
-      // handle cached style elements
-      var styles = this.styles.filter(matcher);
-      styles.forEach(function(style) {
-        cssText += style.textContent + '\n\n';
-      });
-      return cssText;
-    },
-    styleForScope: function(scopeDescriptor) {
-      var cssText = this.cssTextForScope(scopeDescriptor);
-      return this.cssTextToScopeStyle(cssText, scopeDescriptor);
-    },
-    cssTextToScopeStyle: function(cssText, scopeDescriptor) {
-      if (cssText) {
-        var style = createStyleElement(cssText);
-        style.setAttribute(STYLE_SCOPE_ATTRIBUTE, this.getAttribute('name') +
-            '-' + scopeDescriptor);
-        return style;
-      }
-    }
-  };
-
-  function importRuleForSheet(sheet, baseUrl) {
-    var href = new URL(sheet.getAttribute('href'), baseUrl).href;
-    return '@import \'' + href + '\';';
-  }
-
-  function applyStyleToScope(style, scope) {
-    if (style) {
-      if (scope === document) {
-        scope = document.head;
-      }
-      if (window.ShadowDOMPolyfill) {
-        scope = document.head;
-      }
-      // TODO(sorvell): necessary for IE
-      // see https://connect.microsoft.com/IE/feedback/details/790212/
-      // cloning-a-style-element-and-adding-to-document-produces
-      // -unexpected-result#details
-      // var clone = style.cloneNode(true);
-      var clone = createStyleElement(style.textContent);
-      var attr = style.getAttribute(STYLE_SCOPE_ATTRIBUTE);
-      if (attr) {
-        clone.setAttribute(STYLE_SCOPE_ATTRIBUTE, attr);
-      }
-      // TODO(sorvell): probably too brittle; try to figure out 
-      // where to put the element.
-      var refNode = scope.firstElementChild;
-      if (scope === document.head) {
-        var selector = 'style[' + STYLE_SCOPE_ATTRIBUTE + ']';
-        var s$ = document.head.querySelectorAll(selector);
-        if (s$.length) {
-          refNode = s$[s$.length-1].nextElementSibling;
-        }
-      }
-      scope.insertBefore(clone, refNode);
-    }
-  }
-
-  function createStyleElement(cssText, scope) {
-    scope = scope || document;
-    scope = scope.createElement ? scope : scope.ownerDocument;
-    var style = scope.createElement('style');
-    style.textContent = cssText;
-    return style;
-  }
-
-  function cssTextFromSheet(sheet) {
-    return (sheet && sheet.__resource) || '';
-  }
-
-  function matchesSelector(node, inSelector) {
-    if (matches) {
-      return matches.call(node, inSelector);
-    }
-  }
-  var p = HTMLElement.prototype;
-  var matches = p.matches || p.matchesSelector || p.webkitMatchesSelector 
-      || p.mozMatchesSelector;
-  
-  // exports
-
-  scope.api.declaration.styles = styles;
-  scope.applyStyleToScope = applyStyleToScope;
-  
-})(Polymer);
-</script>
-<script>/*
- * Copyright 2013 The Polymer Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style
- * license that can be found in the LICENSE file.
- */
+      created: function() {
+        this.layout = [];
+      },
 
-(function(scope) {
+      nodesChanged: function() {
+        this.invalidate();
+      },
 
-  // imports
+      layoutChanged: function() {
+        this.invalidate();
+      },
 
-  var log = window.logFlags || {};
-  var api = scope.api.instance.events;
-  var EVENT_PREFIX = api.EVENT_PREFIX;
-  // polymer-element declarative api: events feature
+      autoNodes: function() {
+        this.nodes = this.parentNode.children.array().filter(
+          function(node) {
+            switch(node.localName) {
+              case 'core-layout-grid':
+              case 'style':
+                return false;
+            }
+            return true;
+          }
+        );
+      },
 
-  var events = { 
-    parseHostEvents: function() {
-      // our delegates map
-      var delegates = this.prototype.eventDelegates;
-      // extract data from attributes into delegates
-      this.addAttributeDelegates(delegates);
-    },
-    addAttributeDelegates: function(delegates) {
-      // for each attribute
-      for (var i=0, a; a=this.attributes[i]; i++) {
-        // does it have magic marker identifying it as an event delegate?
-        if (this.hasEventPrefix(a.name)) {
-          // if so, add the info to delegates
-          delegates[this.removeEventPrefix(a.name)] = a.value.replace('{{', '')
-              .replace('}}', '').trim();
+      invalidate: function() {
+        if (this.layout && this.layout.length) {
+          // job debounces layout, only letting it occur every N ms
+          this.layoutJob = this.job(this.layoutJob, this.relayout);
         }
-      }
-    },
-    // starts with 'on-'
-    hasEventPrefix: function (n) {
-      return n && (n[0] === 'o') && (n[1] === 'n') && (n[2] === '-');
-    },
-    removeEventPrefix: function(n) {
-      return n.slice(prefixLength);
-    }
-  };
-
-  var prefixLength = EVENT_PREFIX.length;
-
-  // exports
-  scope.api.declaration.events = events;
-
-})(Polymer);</script>
-<script>/*
- * Copyright 2013 The Polymer Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style
- * license that can be found in the LICENSE file.
- */
-(function(scope) {
-
-  // element api
-
-  var properties = {
-    inferObservers: function(prototype) {
-      // called before prototype.observe is chained to inherited object
-      var observe = prototype.observe, property;
-      for (var n in prototype) {
-        if (n.slice(-7) === 'Changed') {
-          if (!observe) {
-            observe  = (prototype.observe = {});
-          }
-          property = n.slice(0, -7)
-          observe[property] = observe[property] || n;
-        }
-      }
-    },
-    explodeObservers: function(prototype) {
-      // called before prototype.observe is chained to inherited object
-      var o = prototype.observe;
-      if (o) {
-        var exploded = {};
-        for (var n in o) {
-          var names = n.split(' ');
-          for (var i=0, ni; ni=names[i]; i++) {
-            exploded[ni] = o[n];
-          }
-        }
-        prototype.observe = exploded;
-      }
-    },
-    optimizePropertyMaps: function(prototype) {
-      if (prototype.observe) {
-        // construct name list
-        var a = prototype._observeNames = [];
-        for (var n in prototype.observe) {
-          var names = n.split(' ');
-          for (var i=0, ni; ni=names[i]; i++) {
-            a.push(ni);
-          }
-        }
-      }
-      if (prototype.publish) {
-        // construct name list
-        var a = prototype._publishNames = [];
-        for (var n in prototype.publish) {
-          a.push(n);
-        }
-      }
-    },
-    publishProperties: function(prototype, base) {
-      // if we have any properties to publish
-      var publish = prototype.publish;
-      if (publish) {
-        // transcribe `publish` entries onto own prototype
-        this.requireProperties(publish, prototype, base);
-        // construct map of lower-cased property names
-        prototype._publishLC = this.lowerCaseMap(publish);
-      }
-    },
-    requireProperties: function(properties, prototype, base) {
-      // ensure a prototype value for each property
-      for (var n in properties) {
-        if (prototype[n] === undefined && base[n] === undefined) {
-          prototype[n] = properties[n];
-        }
-      }
-    },
-    lowerCaseMap: function(properties) {
-      var map = {};
-      for (var n in properties) {
-        map[n.toLowerCase()] = n;
-      }
-      return map;
-    }
-  };
-
-  // exports
-
-  scope.api.declaration.properties = properties;
-
-})(Polymer);
-</script>
-<script>/*
- * Copyright 2013 The Polymer Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style
- * license that can be found in the LICENSE file.
- */
-(function(scope) {
-
-  // magic words
-
-  var ATTRIBUTES_ATTRIBUTE = 'attributes';
-  var ATTRIBUTES_REGEX = /\s|,/;
-
-  // attributes api
-
-  var attributes = {
-    inheritAttributesObjects: function(prototype) {
-      // chain our lower-cased publish map to the inherited version
-      this.inheritObject(prototype, 'publishLC');
-      // chain our instance attributes map to the inherited version
-      this.inheritObject(prototype, '_instanceAttributes');
-    },
-    publishAttributes: function(prototype, base) {
-      // merge names from 'attributes' attribute
-      var attributes = this.getAttribute(ATTRIBUTES_ATTRIBUTE);
-      if (attributes) {
-        // get properties to publish
-        var publish = prototype.publish || (prototype.publish = {});
-        // names='a b c' or names='a,b,c'
-        var names = attributes.split(ATTRIBUTES_REGEX);
-        // record each name for publishing
-        for (var i=0, l=names.length, n; i<l; i++) {
-          // remove excess ws
-          n = names[i].trim();
-          // do not override explicit entries
-          if (n && publish[n] === undefined && base[n] === undefined) {
-            publish[n] = null;
-          }
-        }
-      }
-    },
-    // record clonable attributes from <element>
-    accumulateInstanceAttributes: function() {
-      // inherit instance attributes
-      var clonable = this.prototype._instanceAttributes;
-      // merge attributes from element
-      var a$ = this.attributes;
-      for (var i=0, l=a$.length, a; (i<l) && (a=a$[i]); i++) {  
-        if (this.isInstanceAttribute(a.name)) {
-          clonable[a.name] = a.value;
-        }
-      }
-    },
-    isInstanceAttribute: function(name) {
-      return !this.blackList[name] && name.slice(0,3) !== 'on-';
-    },
-    // do not clone these attributes onto instances
-    blackList: {
-      name: 1,
-      'extends': 1,
-      constructor: 1,
-      noscript: 1,
-      assetpath: 1,
-      'cache-csstext': 1
-    }
-  };
-
-  // add ATTRIBUTES_ATTRIBUTE to the blacklist
-  attributes.blackList[ATTRIBUTES_ATTRIBUTE] = 1;
-
-  // exports
-
-  scope.api.declaration.attributes = attributes;
-
-})(Polymer);
-</script>
-<script>/*
- * Copyright 2013 The Polymer Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style
- * license that can be found in the LICENSE file.
- */
-(function(scope) {
-
-  // imports
-  
-  var api = scope.api;
-  var isBase = scope.isBase;
-  var extend = scope.extend;
-
-  // prototype api
-
-  var prototype = {
-
-    register: function(name, extendeeName) {
-      // build prototype combining extendee, Polymer base, and named api
-      this.buildPrototype(name, extendeeName);
-      // register our custom element with the platform
-      this.registerPrototype(name, extendeeName);
-      // reference constructor in a global named by 'constructor' attribute
-      this.publishConstructor();
-    },
-
-    buildPrototype: function(name, extendeeName) {
-      // get our custom prototype (before chaining)
-      var extension = scope.getRegisteredPrototype(name);
-      // get basal prototype
-      var base = this.generateBasePrototype(extendeeName);
-      // implement declarative features
-      this.desugarBeforeChaining(extension, base);
-      // join prototypes
-      this.prototype = this.chainPrototypes(extension, base);
-      // more declarative features
-      this.desugarAfterChaining(name, extendeeName);
-    },
-
-    desugarBeforeChaining: function(prototype, base) {
-      // back reference declaration element
-      // TODO(sjmiles): replace `element` with `elementElement` or `declaration`
-      prototype.element = this;
-      // transcribe `attributes` declarations onto own prototype's `publish`
-      this.publishAttributes(prototype, base);
-      // `publish` properties to the prototype and to attribute watch
-      this.publishProperties(prototype, base);
-      // infer observers for `observe` list based on method names
-      this.inferObservers(prototype);
-      // desugar compound observer syntax, e.g. 'a b c' 
-      this.explodeObservers(prototype);
-    },
-
-    chainPrototypes: function(prototype, base) {
-      // chain various meta-data objects to inherited versions
-      this.inheritMetaData(prototype, base);
-      // chain custom api to inherited
-      var chained = this.chainObject(prototype, base);
-      // x-platform fixup
-      ensurePrototypeTraversal(chained);
-      return chained;
-    },
-
-    inheritMetaData: function(prototype, base) {
-      // chain observe object to inherited
-      this.inheritObject('observe', prototype, base);
-      // chain publish object to inherited
-      this.inheritObject('publish', prototype, base);
-      // chain our lower-cased publish map to the inherited version
-      this.inheritObject('_publishLC', prototype, base);
-      // chain our instance attributes map to the inherited version
-      this.inheritObject('_instanceAttributes', prototype, base);
-      // chain our event delegates map to the inherited version
-      this.inheritObject('eventDelegates', prototype, base);
-    },
-
-    // implement various declarative features
-    desugarAfterChaining: function(name, extendee) {
-      // build side-chained lists to optimize iterations
-      this.optimizePropertyMaps(this.prototype);
-      // install external stylesheets as if they are inline
-      this.installSheets();
-      // adjust any paths in dom from imports
-      this.resolveElementPaths(this);
-      // compile list of attributes to copy to instances
-      this.accumulateInstanceAttributes();
-      // parse on-* delegates declared on `this` element
-      this.parseHostEvents();
-      //
-      // install a helper method this.resolvePath to aid in 
-      // setting resource urls. e.g.
-      // this.$.image.src = this.resolvePath('images/foo.png')
-      this.addResolvePathApi();
-      // under ShadowDOMPolyfill, transforms to approximate missing CSS features
-      if (window.ShadowDOMPolyfill) {
-        Platform.ShadowCSS.shimStyling(this.templateContent(), name, extendee);
-      }
-      // allow custom element access to the declarative context
-      if (this.prototype.registerCallback) {
-        this.prototype.registerCallback(this);
-      }
-    },
+      },
 
-    // if a named constructor is requested in element, map a reference
-    // to the constructor to the given symbol
-    publishConstructor: function() {
-      var symbol = this.getAttribute('constructor');
-      if (symbol) {
-        window[symbol] = this.ctor;
+      relayout: function() {
+        if (!this.nodes || this.auto) {
+          this.autoNodes();
+        }
+        layout(this.layout, this.nodes);
+        this.asyncFire('core-layout');
       }
-    },
 
-    // build prototype combining extendee, Polymer base, and named api
-    generateBasePrototype: function(extnds) {
-      var prototype = this.findBasePrototype(extnds);
-      if (!prototype) {
-        // create a prototype based on tag-name extension
-        var prototype = HTMLElement.getPrototypeForTag(extnds);
-        // insert base api in inheritance chain (if needed)
-        prototype = this.ensureBaseApi(prototype);
-        // memoize this base
-        memoizedBases[extnds] = prototype;
-      }
-      return prototype;
-    },
+    });
 
-    findBasePrototype: function(name) {
-      return memoizedBases[name];
-    },
+    //
 
-    // install Polymer instance api into prototype chain, as needed 
-    ensureBaseApi: function(prototype) {
-      if (prototype.PolymerBase) {
-        return prototype;
-      }
-      var extended = Object.create(prototype);
-      // we need a unique copy of base api for each base prototype
-      // therefore we 'extend' here instead of simply chaining
-      api.publish(api.instance, extended);
-      // TODO(sjmiles): sharing methods across prototype chains is
-      // not supported by 'super' implementation which optimizes
-      // by memoizing prototype relationships.
-      // Probably we should have a version of 'extend' that is 
-      // share-aware: it could study the text of each function,
-      // look for usage of 'super', and wrap those functions in
-      // closures.
-      // As of now, there is only one problematic method, so 
-      // we just patch it manually.
-      // To avoid re-entrancy problems, the special super method
-      // installed is called `mixinSuper` and the mixin method
-      // must use this method instead of the default `super`.
-      this.mixinMethod(extended, prototype, api.instance.mdv, 'bind');
-      // return buffed-up prototype
-      return extended;
-    },
+    var lineParent;
 
-    mixinMethod: function(extended, prototype, api, name) {
-      var $super = function(args) {
-        return prototype[name].apply(this, args);
-      };
-      extended[name] = function() {
-        this.mixinSuper = $super;
-        return api[name].apply(this, arguments);
+    function line(axis, p, d) {
+      var l = document.createElement('line');
+      var extent = (axis === 'left' ? 'width' : 
+        (axis === 'top' ? 'height' : axis));
+      l.setAttribute('extent', extent);
+      if (d < 0) {
+        axis = (axis === 'left' ? 'right' : 
+          (axis === 'top' ? 'bottom' : axis));
       }
-    },
-
-    // ensure prototype[name] inherits from a prototype.prototype[name]
-    inheritObject: function(name, prototype, base) {
-      // require an object
-      var source = prototype[name] || {};
-      // chain inherited properties onto a new object
-      prototype[name] = this.chainObject(source, base[name]);
-    },
+      p = Math.abs(p);
+      l.style[axis] = p + 'px';
+      l.style[extent] = '0px';
+      lineParent.appendChild(l);
+    }
 
-    // register 'prototype' to custom element 'name', store constructor 
-    registerPrototype: function(name, extendee) { 
-      var info = {
-        prototype: this.prototype
-      }
-      // native element must be specified in extends
-      var typeExtension = this.findTypeExtension(extendee);
-      if (typeExtension) {
-        info.extends = typeExtension;
+    var colCount, colOwners, rowCount, rowOwners;
+
+    function matrixillate(matrix) {
+      // mesaure the matrix, must be rectangular
+      rowCount = matrix.length;
+      colCount = rowCount && matrix[0].length || 0;
+      // transpose matrix
+      var transpose = [];
+      for (var i=0; i<colCount; i++) {
+        var c = [];
+        for (var j=0; j<rowCount; j++) {
+          c.push(matrix[j][i]);
+        }
+        transpose.push(c);
       }
-      // register the prototype with HTMLElement for name lookup
-      HTMLElement.register(name, this.prototype);
-      // register the custom type
-      this.ctor = document.registerElement(name, info);
-    },
+      // assign sizing control
+      colOwners = findOwners(matrix);
+      rowOwners = findOwners(transpose);
+      //console.log('colOwners', colOwners);
+      //console.log('rowOwners', rowOwners);
+    }
 
-    findTypeExtension: function(name) {
-      if (name && name.indexOf('-') < 0) {
-        return name;
-      } else {
-        var p = this.findBasePrototype(name);
-        if (p.element) {
-          return this.findTypeExtension(p.element.extends);
+    function findOwners(matrix) {
+      var majCount = matrix.length;
+      var minCount = majCount && matrix[0].length || 0;
+      var owners = [];
+      // for each column (e.g.)
+      for (var i=0; i<minCount; i++) {
+        // array of contained areas
+        var contained = {};
+        // look at each row to find a containing area
+        for (var j=0; j<majCount; j++) {
+          // get the row vector
+          var vector = matrix[j]
+          // node index at [i,j]
+          var nodei = vector[i];
+          // if a node is there
+          if (nodei) {
+            // determine if it bounds this column
+            var owns = false;
+            if (i === 0) {
+              owns = (i === minCount-1) || (nodei !== vector[i+1]);
+            } else if (i === minCount - 1) {
+              owns = (i === 0) || (nodei !== vector[i-1]);
+            } else {
+              owns = nodei !== vector[i-1] && nodei !== vector[i+1];
+            }
+            if (owns) {
+              contained[nodei] = 1;
+            }
+          }
+          // store the owners for this column
+          owners[i] = contained;
         }
       }
+      return owners;
     }
 
-  };
-
-  // memoize base prototypes
-  var memoizedBases = {};
+    var nodes;
 
-  // implementation of 'chainObject' depends on support for __proto__
-  if (Object.__proto__) {
-    prototype.chainObject = function(object, inherited) {
-      if (object && inherited && object !== inherited) {
-        object.__proto__ = inherited;
-      }
-      return object;
-    }
-  } else {
-    prototype.chainObject = function(object, inherited) {
-      if (object && inherited && object !== inherited) {
-        var chained = Object.create(inherited);
-        object = extend(chained, object);
+    function colWidth(i) {
+      for (var col in colOwners[i]) {
+        col = Number(col);
+        if (col === 0) {
+          return 96;
+        }
+        var node = nodes[col - 1];
+        if (node.hasAttribute('h-flex') || node.hasAttribute('flex')) {
+          return -1;
+        }
+        var w = node.offsetWidth;
+        //console.log('colWidth(' + i + ') ==', w);
+        return w;
       }
-      return object;
+      return -1;
     }
-  }
 
-  // On platforms that do not support __proto__ (versions of IE), the prototype
-  // chain of a custom element is simulated via installation of __proto__.
-  // Although custom elements manages this, we install it here so it's
-  // available during desugaring.
-  function ensurePrototypeTraversal(prototype) {
-    if (!Object.__proto__) {
-      var ancestor = Object.getPrototypeOf(prototype);
-      prototype.__proto__ = ancestor;
-      if (isBase(ancestor)) {
-        ancestor.__proto__ = Object.getPrototypeOf(ancestor);
+    function rowHeight(i) {
+      for (var row in rowOwners[i]) {
+        row = Number(row);
+        if (row === 0) {
+          return 96;
+        }
+        var node = nodes[row - 1];
+        if (node.hasAttribute('v-flex') || node.hasAttribute('flex')) {
+          return -1;
+        }
+        var h = node.offsetHeight;
+        //console.log('rowHeight(' + i + ') ==', h);
+        return h;
       }
+      return -1;
     }
-  }
-
-  // exports
 
-  api.declaration.prototype = prototype;
+    var m = 0;
 
-})(Polymer);
-</script>
-<script>/*
- * Copyright 2013 The Polymer Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style
- * license that can be found in the LICENSE file.
- */
-(function(scope) {
-
-  var queue = {
-    // tell the queue to wait for an element to be ready
-    wait: function(element, check, go) {
-      if (this.indexOf(element) === -1) {
-        this.add(element);
-        element.__check = check;
-        element.__go = go;
-      }
-      return (this.indexOf(element) !== 0);
-    },
-    add: function(element) {
-      //console.log('queueing', element.name);
-      queueForElement(element).push(element);
-    },
-    indexOf: function(element) {
-      var i = queueForElement(element).indexOf(element);
-      if (i >= 0 && document.contains(element)) {
-        i += (HTMLImports.useNative || HTMLImports.ready) ? 
-          importQueue.length : 1e9;
-      }
-      return i;  
-    },
-    // tell the queue an element is ready to be registered
-    go: function(element) {
-      var readied = this.remove(element);
-      if (readied) {
-        readied.__go.call(readied);
-        readied.__check = readied.__go = null;
-        this.check();
-      }
-    },
-    remove: function(element) {
-      var i = this.indexOf(element);
-      if (i !== 0) {
-        //console.warn('queue order wrong', i);
-        return;
-      }
-      return queueForElement(element).shift();
-    },
-    check: function() {
-      // next
-      var element = this.nextElement();
-      if (element) {
-        element.__check.call(element);
-      }
-      if (this.canReady()) {
-        this.ready();
-        return true;
+    function railize(count, sizeFn) {
+      //
+      // create rails for `count` tracks using 
+      // sizing function `sizeFn(trackNo)`
+      //
+      // for n tracks there are (n+1) rails
+      //
+      //   |track|track|track|
+      //  0|->sz0|->sz1|<-sz2|0
+      //
+      //   |track|track|track|
+      //  0|->sz0|     |<-sz2|0
+      //
+      // there can be one elastic track per set
+      //
+      //   |track|track|track|track|
+      //  0|-->s0|-->s1|<--s1|<--s2|0
+      //
+      // sz1 spans multiple  tracks which makes
+      // it elastic (it's underconstrained)
+      //
+      var rails = [];
+      var a = 0;
+      for (var i=0, x; i<count; i++) {
+        rails[i] = {p: a, s: 1};
+        x = sizeFn(i) + m + m;
+        if (x == -1) {
+          break;
+        }
+        a += x;
       }
-    },
-    nextElement: function() {
-      return nextQueued();
-    },
-    canReady: function() {
-      return !this.waitToReady && this.isEmpty();
-    },
-    isEmpty: function() {
-      return !importQueue.length && !mainQueue.length;
-    },
-    ready: function() {
-      // TODO(sorvell): As an optimization, turn off CE polyfill upgrading
-      // while registering. This way we avoid having to upgrade each document
-      // piecemeal per registration and can instead register all elements
-      // and upgrade once in a batch. Without this optimization, upgrade time
-      // degrades significantly when SD polyfill is used. This is mainly because
-      // querying the document tree for elements is slow under the SD polyfill.
-      if (CustomElements.ready === false) {
-        CustomElements.upgradeDocumentTree(document);
-        CustomElements.ready = true;
+      if (i === count) {
+        rails[i] = {p: 0, s: -1};
       }
-      if (readyCallbacks) {
-        var fn;
-        while (readyCallbacks.length) {
-          fn = readyCallbacks.shift();
-          fn();
+      var b = 0;
+      for (var ii=count, x; ii>i; ii--) {
+        rails[ii] = {p: b, s: -1};
+        x = sizeFn(ii - 1) + m + m;
+        if (x !== -1) {
+          b += x;
         }
       }
-    },
-    addReadyCallback: function(callback) {
-      if (callback) {
-        readyCallbacks.push(callback);
-      }
-    },
-    waitToReady: true
-  };
-
-  var importQueue = [];
-  var mainQueue = [];
-  var readyCallbacks = [];
-
-  function queueForElement(element) {
-    return document.contains(element) ? mainQueue : importQueue;
-  }
-
-  function nextQueued() {
-    return importQueue.length ? importQueue[0] : mainQueue[0];
-  }
-
-  var polymerReadied = false; 
-
-  document.addEventListener('WebComponentsReady', function() {
-    CustomElements.ready = false;
-  });
-  
-  function whenPolymerReady(callback) {
-    queue.waitToReady = true;
-    CustomElements.ready = false;
-    HTMLImports.whenImportsReady(function() {
-      queue.addReadyCallback(callback);
-      queue.waitToReady = false;
-      queue.check();
-    });
-  }
-
-  // exports
-  scope.queue = queue;
-  scope.whenPolymerReady = whenPolymerReady;
-})(Polymer);
-</script>
-<script>/*
- * Copyright 2013 The Polymer Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style
- * license that can be found in the LICENSE file.
- */
-(function(scope) {
-
-  var whenPolymerReady = scope.whenPolymerReady;
-
-  function importElements(elementOrFragment, callback) {
-    if (elementOrFragment) {
-      document.head.appendChild(elementOrFragment);
-      whenPolymerReady(callback);
-    } else if (callback) {
-      callback();
+      return rails;
     }
-  }
 
-  function importUrls(urls, callback) {
-    if (urls && urls.length) {
-        var frag = document.createDocumentFragment();
-        for (var i=0, l=urls.length, url, link; (i<l) && (url=urls[i]); i++) {
-          link = document.createElement('link');
-          link.rel = 'import';
-          link.href = url;
-          frag.appendChild(link);
-        }
-        importElements(frag, callback);
-    } else if (callback) {
-      callback();
+    // TODO(sjmiles): this code tries to preserve actual position,
+    // so 'unposition' is really 'naturalize' or something
+    function unposition(box) {
+      var style = box.style;
+      //style.right = style.bottom = style.width = style.height = '';
+      style.position = 'absolute';
+      style.display = 'inline-block';
+      style.boxSizing = style.mozBoxSizing = 'border-box';
     }
-  }
-
-  // exports
-  scope.import = importUrls;
-  scope.importElements = importElements;
-
-})(Polymer);
-</script>
-<script>/*
- * Copyright 2013 The Polymer Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style
- * license that can be found in the LICENSE file.
- */
-(function(scope) {
-
-  // imports
 
-  var extend = scope.extend;
-  var api = scope.api;
-  var queue = scope.queue;
-  var whenPolymerReady = scope.whenPolymerReady;
-  var getRegisteredPrototype = scope.getRegisteredPrototype;
-  var waitingForPrototype = scope.waitingForPrototype;
+    function _position(style, maj, min, ext, a, b) {
+      style[maj] = style[min] = '';
+      style[ext] = 'auto';
+      if (a.s < 0 && b.s < 0) {
+        var siz = a.p - b.p - m - m;
+        style[ext] = siz + 'px';
+        var c = 'calc(100% - ' + (b.p + siz + m) + 'px' + ')';
+        style[maj] = '-webkit-' + c;
+        style[maj] = c;
+      } else if (b.s < 0) {
+        style[maj] = a.p + m + 'px';
+        style[min] = b.p + m + 'px';
+      } else {
+        style[maj] = a.p + m + 'px';
+        style[ext] = b.p - a.p - m - m + 'px';
+      }
+    }
 
-  // declarative implementation: <polymer-element>
+    function position(elt, left, right, top, bottom) {
+      _position(elt.style, 'top', 'bottom', 'height', rows[top], 
+          rows[bottom]);
+      _position(elt.style, 'left', 'right', 'width', columns[left], 
+          columns[right]);
+    }
 
-  var prototype = extend(Object.create(HTMLElement.prototype), {
+    function layout(matrix, anodes, alineParent) {
+      //console.group('layout');
 
-    createdCallback: function() {
-      if (this.getAttribute('name')) {
-        this.init();
-      }
-    },
+      lineParent = alineParent;
+      nodes = anodes;
+      matrixillate(matrix);
 
-    init: function() {
-      // fetch declared values
-      this.name = this.getAttribute('name');
-      this.extends = this.getAttribute('extends');
-      // initiate any async resource fetches
-      this.loadResources();
-      // register when all constraints are met
-      this.registerWhenReady();
-    },
+      nodes.forEach(unposition);
 
-    registerWhenReady: function() {
-     if (this.registered
-       || this.waitingForPrototype(this.name)
-       || this.waitingForQueue()
-       || this.waitingForResources()) {
-          return;
-      }
-      // TODO(sorvell): ends up calling '_register' by virtue
-      // of `waitingForQueue` (see below)
-      queue.go(this);
-    },
+      columns = railize(colCount, colWidth);
+      rows = railize(rowCount, rowHeight);
 
-    // TODO(sorvell): refactor, this method is private-ish, but it's being
-    // called by the queue object.
-    _register: function() {
-      //console.log('registering', this.name);
-      //console.group('registering', this.name);
-      // warn if extending from a custom element not registered via Polymer
-      if (isCustomTag(this.extends) && !isRegistered(this.extends)) {
-        console.warn('%s is attempting to extend %s, an unregistered element ' +
-            'or one that was not registered with Polymer.', this.name,
-            this.extends);
-      }
-      this.register(this.name, this.extends);
-      this.registered = true;
-      //console.groupEnd();
-    },
+      if (alineParent) {
+        //console.group('column rails');
+        columns.forEach(function(c) {
+          //console.log(c.p, c.s);
+          line('left', c.p, c.s);
+        });
+        //console.groupEnd();
 
-    waitingForPrototype: function(name) {
-      if (!getRegisteredPrototype(name)) {
-        // then wait for a prototype
-        waitingForPrototype(name, this);
-        // emulate script if user is not supplying one
-        this.handleNoScript(name);
-        // prototype not ready yet
-        return true;
+        //console.group('row rails');
+        rows.forEach(function(r) {
+          //console.log(r.p, r.s);
+          line('top', r.p, r.s);
+        });
+        //console.groupEnd();
       }
-    },
 
-    handleNoScript: function(name) {
-      // if explicitly marked as 'noscript'
-      if (this.hasAttribute('noscript') && !this.noscript) {
-        this.noscript = true;
-        // TODO(sorvell): CustomElements polyfill awareness:
-        // noscript elements should upgrade in logical order
-        // script injection ensures this under native custom elements;
-        // under imports + ce polyfills, scripts run before upgrades.
-        // dependencies should be ready at upgrade time so register
-        // prototype at this time.
-        if (window.CustomElements && !CustomElements.useNative) {
-          Polymer(name);
+      //console.group('rail boundaries');
+      nodes.forEach(function(node, i) {
+        // node indices are 1-based
+        var n = i + 1;
+        // boundary rails
+        var l, r, t = 1e10, b = -1e10;
+        matrix.forEach(function(vector, i) {
+          var f = vector.indexOf(n);
+          if (f > -1) {
+            l = f;
+            r = vector.lastIndexOf(n) + 1;
+            t = Math.min(t, i);
+            b = Math.max(b, i) + 1;
+          }
+        });
+        if (l == undefined) {
+          //console.log('unused');
+          node.style.position = 'absolute';
+          var offscreen = node.getAttribute('offscreen');
+          switch (offscreen) {
+            case 'basement':
+              node.style.zIndex = 0;
+              break;
+            case 'left':
+            case 'top':
+              node.style[offscreen] = node.offsetWidth * -2 + 'px';
+              break;
+            case 'right':
+              node.style.left = node.offsetParent.offsetWidth 
+                  + node.offsetWidth + 'px';
+              break;
+            case 'bottom':
+              node.style.top = node.parentNode.offsetHeight 
+                  + node.offsetHeight + 'px';
+              break;
+            default:
+              node.style[Math.random() >= 0.5 ? 'left' : 'top'] = '-110%';
+          }
+          //node.style.opacity = 0;
+          node.style.pointerEvents = 'none';
         } else {
-          var script = document.createElement('script');
-          script.textContent = 'Polymer(\'' + name + '\');';
-          this.appendChild(script);
+          node.style.pointerEvents = '';
+          //node.style.opacity = '';
+          //console.log(l, r, t, b);
+          position(node, l, r, t, b);
         }
-      }
-    },
-
-    waitingForResources: function() {
-      return this._needsResources;
-    },
-
-    // NOTE: Elements must be queued in proper order for inheritance/composition
-    // dependency resolution. Previously this was enforced for inheritance,
-    // and by rule for composition. It's now entirely by rule.
-    waitingForQueue: function() {
-      return queue.wait(this, this.registerWhenReady, this._register);
-    },
-
-    loadResources: function() {
-      this._needsResources = true;
-      this.loadStyles(function() {
-        this._needsResources = false;
-        this.registerWhenReady();
-      }.bind(this));
+      });
+      //console.groupEnd();
+      //console.groupEnd();
     }
 
-  });
-
-  // semi-pluggable APIs 
-
-  // TODO(sjmiles): should be fully pluggable (aka decoupled, currently
-  // the various plugins are allowed to depend on each other directly)
-  api.publish(api.declaration, prototype);
-
-  // utility and bookkeeping
-
-  function isRegistered(name) {
-    return Boolean(HTMLElement.getPrototypeForTag(name));
-  }
-
-  function isCustomTag(name) {
-    return (name && name.indexOf('-') >= 0);
-  }
-
-  // exports
-
-  scope.getRegisteredPrototype = getRegisteredPrototype;
-  
-  // boot tasks
-
-  whenPolymerReady(function() {
-    document.body.removeAttribute('unresolved');
-    document.dispatchEvent(
-      new CustomEvent('polymer-ready', {bubbles: true})
-    );
-  });
-
-  // register polymer-element with document
-
-  document.registerElement('polymer-element', {prototype: prototype});
-
-})(Polymer);
+  })();
 </script>
-
-<polymer-element name="polymer-body" extends="body" assetpath="../polymer/">
-
-  <script>
+</polymer-element>
+<!--
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
+<!--
+/**
+ * @group Polymer Core Elements
+ *
+ * The core-selection element is used to manage selection state. It has no
+ * visual appearance and is typically used in conjuneciton with another element.
+ * For example, <a href="core-selector.html">core-selector</a>
+ * use a core-selection to manage selection.
+ *
+ * To mark an item as selected, call the select(item) method on 
+ * core-selection. Notice that the item itself is an argument to this method.
+ * The core-selection element manages selection state for any given set of
+ * items. When an item is selected, the `core-select` event is fired.
+ * The attribute "multi" indicates if multiple items can be selected at once.
+ * 
+ * Example:
+ *
+ *     <core-element name="selection-example">
+ *        <template>
+ *          <style>
+ *            ::-webkit-distributed(> .selected) {
+ *              font-weight: bold;
+ *              font-style: italic;
+ *            }
+ *          </style>
+ *          <ul on-tap="{{itemTapAction}}">
+ *            <content></content>
+ *          </ul>
+ *          <core-selection id="selection" multi on-core-select="{{selectAction}}"></core-selection>
+ *        </template>
+ *        <script>
+ *          Polymer('selection-example', {
+ *            itemTapAction: function(e) {
+ *              this.$.selection.select(e.target);
+ *            },
+ *            selectAction: function(e, detail) {
+ *              detail.item.classList.toggle('selected', detail.isSelected);
+ *            }
+ *          });
+ *        </script>
+ *     </core-element>
+ *
+ *     <selection-example>
+ *       <li>Red</li>
+ *       <li>Green</li>
+ *       <li>Blue</li>
+ *     </selection-example>
+ *
+ * @element core-selection
+ */
+ /**
+ * Fired when an item's selection state is changed. This event is fired both
+ * when an item is selected or deselected. The `isSelected` detail property
+ * contains the selection state.
+ * 
+ * @event core-select
+ * @param {Object} detail
+ *   @param {boolean} detail.isSelected true for selection and false for deselection
+ *   @param {Object} detail.item the item element
+ */
+-->
 
-  // upgrade polymer-body last so that it can contain other imported elements
-  document.addEventListener('polymer-ready', function() {
-    
-    Polymer('polymer-body', Platform.mixin({
 
-      created: function() {
-        this.template = document.createElement('template');
-        var body = wrap(document).body;
-        var c$ = body.childNodes.array();
-        for (var i=0, c; (c=c$[i]); i++) {
-          if (c.localName !== 'script') {
-            this.template.content.appendChild(c);
+<polymer-element name="core-selection" attributes="multi" assetpath="../core-selection/">
+  <template>
+    <style>
+      :host {
+        display: none !important;
+      }
+    </style>
+  </template>
+  <script>
+    Polymer('core-selection', {
+      /**
+       * If true, multiple selections are allowed.
+       *
+       * @attribute multi
+       * @type boolean
+       * @default false
+       */
+      multi: false,
+      ready: function() {
+        this.clear();
+      },
+      clear: function() {
+        this.selection = [];
+      },
+      /**
+       * Retrieves the selected item(s).
+       * @method getSelection
+       * @returns Returns the selected item(s). If the multi property is true,
+       * getSelection will return an array, otherwise it will return 
+       * the selected item or undefined if there is no selection.
+      */
+      getSelection: function() {
+        return this.multi ? this.selection : this.selection[0];
+      },
+      /**
+       * Indicates if a given item is selected.
+       * @method isSelected
+       * @param {any} item The item whose selection state should be checked.
+       * @returns Returns true if `item` is selected.
+      */
+      isSelected: function(item) {
+        return this.selection.indexOf(item) >= 0;
+      },
+      setItemSelected: function(item, isSelected) {
+        if (item !== undefined && item !== null) {
+          if (isSelected) {
+            this.selection.push(item);
+          } else {
+            var i = this.selection.indexOf(item);
+            if (i >= 0) {
+              this.selection.splice(i, 1);
+            }
           }
+          this.fire("core-select", {isSelected: isSelected, item: item});
         }
-        // snarf up user defined model
-        window.model = this;
       },
-
-      parseDeclaration: function(elementElement) {
-        this.lightFromTemplate(this.template);
+      /**
+       * Set the selection state for a given `item`. If the multi property
+       * is true, then the selected state of `item` will be toggled; otherwise
+       * the `item` will be selected.
+       * @method select
+       * @param {any} item: The item to select.
+      */
+      select: function(item) {
+        if (this.multi) {
+          this.toggle(item);
+        } else if (this.getSelection() !== item) {
+          this.setItemSelected(this.getSelection(), false);
+          this.setItemSelected(item, true);
+        }
+      },
+      /**
+       * Toggles the selection state for `item`.
+       * @method toggle
+       * @param {any} item: The item to toggle.
+      */
+      toggle: function(item) {
+        this.setItemSelected(item, !this.isSelected(item));
       }
-
-    }, window.model));
-
-  });
-
+    });
   </script>
-
-</polymer-element>
-<!--
- Copyright 2013 The Polymer Authors. All rights reserved.
- Use of this source code is governed by a BSD-style
- license that can be found in the LICENSE file.
--->
-<!--<script src="polymer.js"></script>-->
-  
+</polymer-element>
 
 <!--
-Copyright 2013 The Polymer Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
 -->
+
 <!--
 /**
- * @module Polymer Elements
+ * @group Polymer Core Elements
  */
+
 /**
- * polymer-flex-layout provides a helper to use CSS3 Flexible Boxes.  By putting
- * polymer-flex-layout inside an element it makes the element a flex
- * container. Use 'flex' attribute to make the flex item flexible.
+ * core-selector is used to manage a list of elements that can be selected.
+ * The attribute "selected" indicates which item element is being selected.
+ * The attribute "multi" indicates if multiple items can be selected at once.
+ * Tapping on the item element would fire "core-activate" event. Use
+ * "core-select" event to listen for selection changes.
  *
  * Example:
  *
- *     <div>
- *       <polymer-flex-layout></polymer-flex-layout>
- *       <div>Left</div>
- *       <div flex>Main</div>
- *       <div>Right</div>
- *     </div>
- *
- *     ---------------------------------
- *     |-------------------------------|
- *     ||Left|       Main       |Right||
- *     |-------------------------------|
- *     ---------------------------------
- *
- *     <div>
- *       <polymer-flex-layout vertical></polymer-flex-layout>
- *       <div>Header</div>
- *       <div flex>Body</div>
- *       <div>Footer</div>
- *     </div>
- *
- *     ----------
- *     ||------||
- *     ||Header||
- *     ||------||
- *     ||Body  ||
- *     ||      ||
- *     ||      ||
- *     ||      ||
- *     ||      ||
- *     ||      ||
- *     ||      ||
- *     ||------||
- *     ||Footer||
- *     ||------||
- *     ----------
- *
- * @class polymer-flex-layout
- */
-/**
- * If true, flex items are aligned vertically.
+ *     <core-selector selected="0">
+ *       <div>Item 1</div>
+ *       <div>Item 2</div>
+ *       <div>Item 3</div>
+ *     </core-selector>
  *
- * @attribute vertical
- * @type boolean
- * @default false
- */
-/**
- * Defines the default for how flex items are laid out along the cross axis on 
- * the current line.  Possible values are 'start', 'center' and 'end'.
+ * core-selector is not styled.  So one needs to use "core-selected" CSS
+ * class to style the selected element.
+ * 
+ *     <style>
+ *       .item.core-selected {
+ *         background: #eee;
+ *       }
+ *     </style>
+ *     ...
+ *     <core-selector>
+ *       <div class="item">Item 1</div>
+ *       <div class="item">Item 2</div>
+ *       <div class="item">Item 3</div>
+ *     </core-selector>
  *
- * @attribute align
- * @type string
- * @default ''
+ * @element core-selector
+ * @status stable
+ * @homepage github.io
  */
+
 /**
- * Defines how flex items are laid out along the main axis on the current line.
- * Possible values are 'start', 'center' and 'end'.
- *
- * @attribute justify
- * @type string
- * @default ''
+ * Fired when an item's selection state is changed. This event is fired both
+ * when an item is selected or deselected. The `isSelected` detail property
+ * contains the selection state.
+ * 
+ * @event core-select
+ * @param {Object} detail
+ *   @param {boolean} detail.isSelected true for selection and false for deselection
+ *   @param {Object} detail.item the item element
  */
+
 /**
- * If true, polymer-flex-layout is the flex container.
- *
- * Example:
- *
- *     <polymer-flex-layout isContainer>
- *       <div>Left</div>
- *       <div flex>Main</div>
- *       <div>Right</div>
- *     </polymer-flex-layout>
- *
- *     ---------------------------------
- *     |-------------------------------|
- *     ||Left|       Main       |Right||
- *     |-------------------------------|
- *     ---------------------------------
- *
- * @attribute isContainer
- * @type boolean
- * @default false
+ * Fired when an item element is tapped.
+ * 
+ * @event core-activate
+ * @param {Object} detail
+ *   @param {Object} detail.item the item element
  */
 -->
 
 
-<polymer-element name="polymer-flex-layout" attributes="vertical align justify isContainer" assetpath="../polymer-flex-layout/">
-  <template>
-    <style polymer-scope="controller">/*
-Copyright 2013 The Polymer Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
-*/
-.flexbox, [flexbox], [h-flexbox], [v-flexbox] {
-  display: -webkit-box !important;
-  display: -ms-flexbox !important;
-  display: -moz-flex !important;
-  display: -webkit-flex !important;
-  display: flex !important;
-}
 
-.flexbox.row, [flexbox], [h-flexbox] {
-  -webkit-box-orient: horizontal;
-  -ms-flex-direction: row;
-  -moz-flex-direction: row;
-  -webkit-flex-direction: row;
-  flex-direction: row;
-}
 
-.flexbox.column, [v-flexbox] {
-  -webkit-box-orient: vertical;
-  -ms-flex-direction: column;
-  -moz-flex-direction: column;
-  -webkit-flex-direction: column;
-  flex-direction: column;
-}
+<polymer-element name="core-selector" assetpath="../core-selector/">
 
-.flex, [flex], [fit] {
-  -webkit-box-flex: 1;
-  -ms-flex: 1;
-  -moz-flex: 1;
-  -webkit-flex: 1;
-  flex: 1;
-}
+  <template>
 
-content /content/ .flex, 
-content /content/ [flex],
-content /content/ [fit] {
-  -webkit-box-flex: 1;
-  -ms-flex: 1;
-  -moz-flex: 1;
-  -webkit-flex: 1;
-  flex: 1;
-}
+    <core-selection id="selection" multi="{{multi}}" on-core-select="{{selectionSelect}}"></core-selection>
+    <content id="items" select="*"></content>
 
-.flexbox.align-start {
-  -webkit-box-align: start;
-  -ms-flex-align: start;
-  -moz-align-items: flex-start;
-  -webkit-align-items: flex-start;
-  align-items: flex-start;
-}
+  </template>
 
-.flexbox.align-end {
-  -webkit-box-align: end;
-  -ms-flex-align: end;
-  -moz-align-items: flex-end;
-  -webkit-align-items: flex-end;
-  align-items: flex-end;
-}
-
-.flexbox.align-center {
-  -webkit-box-align: center;
-  -ms-flex-align: center;
-  -moz-align-items: center;
-  -webkit-align-items: center;
-  align-items: center;
-}
-
-.flexbox.justify-start {
-  -webkit-box-pack: start;
-  -ms-flex-pack: start;
-  -moz-justify-content: flex-start;
-  -webkit-justify-content: flex-start;
-  justify-content: flex-start;
-}
-
-.flexbox.justify-end {
-  -webkit-box-pack: end;
-  -ms-flex-pack: end;
-  -moz-justify-content: flex-end;
-  -webkit-justify-content: flex-end;
-  justify-content: flex-end;
-}
-
-.flexbox.justify-center {
-  -webkit-box-pack: center;
-  -ms-flex-pack: center;
-  -moz-justify-content: center;
-  -webkit-justify-content: center;
-  justify-content: center;
-}
-
-.flexbox.justify-between {
-  -webkit-box-pack: justify;
-  -ms-flex-pack: justify;
-  -moz-justify-content: space-between;
-  -webkit-justify-content: space-between;
-  justify-content: space-between;
-}
-
-:host(.flexbox:host, [flexbox]:host, [h-flexbox]:host, [v-flexbox]:host) {
-  display: -webkit-box !important;
-  display: -ms-flexbox !important;
-  display: -moz-flex !important;
-  display: -webkit-flex !important;
-  display: flex !important;
-}
-  
-:host(.flexbox.row:host, [flexbox]:host, [h-flexbox]:host) {
-  -webkit-box-orient: horizontal;
-  -ms-flex-direction: row;
-  -moz-flex-direction: row;
-  -webkit-flex-direction: row;
-  flex-direction: row;
-}
-  
-:host(.flexbox.column:host, [v-flexbox]:host) {
-  -webkit-box-orient: vertical;
-  -ms-flex-direction: column;
-  -moz-flex-direction: column;
-  -webkit-flex-direction: column;
-  flex-direction: column;
-}
-  
-:host(.flexbox.align-start:host) {
-  -webkit-box-align: start;
-  -ms-flex-align: start;
-  -moz-align-items: flex-start;
-  -webkit-align-items: flex-start;
-  align-items: flex-start;
-}
-  
-:host(.flexbox.align-end:host) {
-  -webkit-box-align: end;
-  -ms-flex-align: end;
-  -moz-align-items: flex-end;
-  -webkit-align-items: flex-end;
-  align-items: flex-end;
-}
-
-:host(.flexbox.align-center:host) {
-  -webkit-box-align: center;
-  -ms-flex-align: center;
-  -moz-align-items: center;
-  -webkit-align-items: center;
-  align-items: center;
-}
-
-:host(.flexbox.justify-start:host) {
-  -webkit-box-pack: start;
-  -ms-flex-pack: start;
-  -moz-justify-content: flex-start;
-  -webkit-justify-content: flex-start;
-  justify-content: flex-start;
-}
-
-:host(.flexbox.justify-end:host) {
-  -webkit-box-pack: end;
-  -ms-flex-pack: end;
-  -moz-justify-content: flex-end;
-  -webkit-justify-content: flex-end;
-  justify-content: flex-end;
-}
-
-:host(.flexbox.justify-center:host) {
-  -webkit-box-pack: center;
-  -ms-flex-pack: center;
-  -moz-justify-content: center;
-  -webkit-justify-content: center;
-  justify-content: center;
-}
-
-:host(.flexbox.justify-between:host) {
-  -webkit-box-pack: justify;
-  -ms-flex-pack: justify;
-  -moz-justify-content: space-between;
-  -webkit-justify-content: space-between;
-  justify-content: space-between;
-}
-</style>
-    <style>/*
-Copyright 2013 The Polymer Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
-*/
-.flexbox, [flexbox], [h-flexbox], [v-flexbox] {
-  display: -webkit-box !important;
-  display: -ms-flexbox !important;
-  display: -moz-flex !important;
-  display: -webkit-flex !important;
-  display: flex !important;
-}
-
-.flexbox.row, [flexbox], [h-flexbox] {
-  -webkit-box-orient: horizontal;
-  -ms-flex-direction: row;
-  -moz-flex-direction: row;
-  -webkit-flex-direction: row;
-  flex-direction: row;
-}
-
-.flexbox.column, [v-flexbox] {
-  -webkit-box-orient: vertical;
-  -ms-flex-direction: column;
-  -moz-flex-direction: column;
-  -webkit-flex-direction: column;
-  flex-direction: column;
-}
-
-.flex, [flex], [fit] {
-  -webkit-box-flex: 1;
-  -ms-flex: 1;
-  -moz-flex: 1;
-  -webkit-flex: 1;
-  flex: 1;
-}
-
-content /content/ .flex, 
-content /content/ [flex],
-content /content/ [fit] {
-  -webkit-box-flex: 1;
-  -ms-flex: 1;
-  -moz-flex: 1;
-  -webkit-flex: 1;
-  flex: 1;
-}
-
-.flexbox.align-start {
-  -webkit-box-align: start;
-  -ms-flex-align: start;
-  -moz-align-items: flex-start;
-  -webkit-align-items: flex-start;
-  align-items: flex-start;
-}
-
-.flexbox.align-end {
-  -webkit-box-align: end;
-  -ms-flex-align: end;
-  -moz-align-items: flex-end;
-  -webkit-align-items: flex-end;
-  align-items: flex-end;
-}
-
-.flexbox.align-center {
-  -webkit-box-align: center;
-  -ms-flex-align: center;
-  -moz-align-items: center;
-  -webkit-align-items: center;
-  align-items: center;
-}
-
-.flexbox.justify-start {
-  -webkit-box-pack: start;
-  -ms-flex-pack: start;
-  -moz-justify-content: flex-start;
-  -webkit-justify-content: flex-start;
-  justify-content: flex-start;
-}
-
-.flexbox.justify-end {
-  -webkit-box-pack: end;
-  -ms-flex-pack: end;
-  -moz-justify-content: flex-end;
-  -webkit-justify-content: flex-end;
-  justify-content: flex-end;
-}
-
-.flexbox.justify-center {
-  -webkit-box-pack: center;
-  -ms-flex-pack: center;
-  -moz-justify-content: center;
-  -webkit-justify-content: center;
-  justify-content: center;
-}
-
-.flexbox.justify-between {
-  -webkit-box-pack: justify;
-  -ms-flex-pack: justify;
-  -moz-justify-content: space-between;
-  -webkit-justify-content: space-between;
-  justify-content: space-between;
-}
-
-:host(.flexbox:host, [flexbox]:host, [h-flexbox]:host, [v-flexbox]:host) {
-  display: -webkit-box !important;
-  display: -ms-flexbox !important;
-  display: -moz-flex !important;
-  display: -webkit-flex !important;
-  display: flex !important;
-}
-  
-:host(.flexbox.row:host, [flexbox]:host, [h-flexbox]:host) {
-  -webkit-box-orient: horizontal;
-  -ms-flex-direction: row;
-  -moz-flex-direction: row;
-  -webkit-flex-direction: row;
-  flex-direction: row;
-}
-  
-:host(.flexbox.column:host, [v-flexbox]:host) {
-  -webkit-box-orient: vertical;
-  -ms-flex-direction: column;
-  -moz-flex-direction: column;
-  -webkit-flex-direction: column;
-  flex-direction: column;
-}
-  
-:host(.flexbox.align-start:host) {
-  -webkit-box-align: start;
-  -ms-flex-align: start;
-  -moz-align-items: flex-start;
-  -webkit-align-items: flex-start;
-  align-items: flex-start;
-}
-  
-:host(.flexbox.align-end:host) {
-  -webkit-box-align: end;
-  -ms-flex-align: end;
-  -moz-align-items: flex-end;
-  -webkit-align-items: flex-end;
-  align-items: flex-end;
-}
-
-:host(.flexbox.align-center:host) {
-  -webkit-box-align: center;
-  -ms-flex-align: center;
-  -moz-align-items: center;
-  -webkit-align-items: center;
-  align-items: center;
-}
-
-:host(.flexbox.justify-start:host) {
-  -webkit-box-pack: start;
-  -ms-flex-pack: start;
-  -moz-justify-content: flex-start;
-  -webkit-justify-content: flex-start;
-  justify-content: flex-start;
-}
-
-:host(.flexbox.justify-end:host) {
-  -webkit-box-pack: end;
-  -ms-flex-pack: end;
-  -moz-justify-content: flex-end;
-  -webkit-justify-content: flex-end;
-  justify-content: flex-end;
-}
-
-:host(.flexbox.justify-center:host) {
-  -webkit-box-pack: center;
-  -ms-flex-pack: center;
-  -moz-justify-content: center;
-  -webkit-justify-content: center;
-  justify-content: center;
-}
-
-:host(.flexbox.justify-between:host) {
-  -webkit-box-pack: justify;
-  -ms-flex-pack: justify;
-  -moz-justify-content: space-between;
-  -webkit-justify-content: space-between;
-  justify-content: space-between;
-}
-</style>
-    <content></content>
-  </template>
-  <script>
-    Polymer('polymer-flex-layout', {
-      vertical: false,
-      isContainer: false,
-      layoutContainer: null,
-      enteredView: function() {
-        this.installControllerStyles();
-        this.layoutContainer = this.isContainer ? 
-            this : (this.parentNode.host || this.parentNode);
-        this.verticalChanged();
-        this.alignChanged();
-        this.justifyChanged();
-      },
-      leftView: function() {
-        this.layoutContainer = null;
-      },
-      layoutContainerChanged: function(old) {
-        if (old) {
-          old.classList.remove('flexbox');
-        }
-        this.style.display = this.layoutContainer === this ? '' : 'none';
-        if (this.layoutContainer) {
-          this.layoutContainer.classList.add('flexbox');
-        }
-      },
-      switchContainerClass: function(prefix, old, name) {
-        if (this.layoutContainer && name) {
-          this.layoutContainer.classList.switch(
-              prefix + old, prefix + name);
-        }
-      },
-      verticalChanged: function() {
-        if (this.layoutContainer) {
-          this.layoutContainer.classList.toggle('column', this.vertical);
-        }
-      },
-      alignChanged: function(old) {
-        this.switchContainerClass('align-', old, this.align);
-      },
-      justifyChanged: function(old) {
-        this.switchContainerClass('justify-', old, this.justify);
-      }
-    });
-  </script>
-</polymer-element>
-
-
-
-<polymer-element name="polymer-grid-layout" attributes="nodes layout auto" assetpath="../polymer-grid-layout/">
-  <template>
-  </template>
-  <script>
-    (function() {
-      Polymer('polymer-grid-layout', {
-        nodes: null,
-        layout: null,
-        auto: false,
-        created: function() {
-          this.layout = [];
-        },
-        nodesChanged: function() {
-          this.invalidate();
-        },
-        layoutChanged: function() {
-          this.invalidate();
-        },
-        autoNodes: function() {
-          this.nodes = this.parentNode.children.array().filter(
-            function(node) {
-              switch(node.localName) {
-                case 'polymer-grid-layout':
-                case 'style':
-                  return false;
-              }
-              return true;
-            }
-          );
-        },
-        invalidate: function() {
-          if (this.layout && this.layout.length) {
-            // job debounces layout, only letting it occur every N ms
-            this.layoutJob = this.job(this.layoutJob, this.relayout);
-          }
-        },
-        relayout: function() {
-          if (!this.nodes || this.auto) {
-            this.autoNodes();
-          }
-          layout(this.layout, this.nodes);
-          this.asyncFire('polymer-grid-layout');
-        }
-      });
-
-      //
-
-      var lineParent;
-
-      function line(axis, p, d) {
-        var l = document.createElement('line');
-        var extent = (axis === 'left' ? 'width' : 
-          (axis === 'top' ? 'height' : axis));
-        l.setAttribute('extent', extent);
-        if (d < 0) {
-          axis = (axis === 'left' ? 'right' : 
-            (axis === 'top' ? 'bottom' : axis));
-        }
-        p = Math.abs(p);
-        l.style[axis] = p + 'px';
-        l.style[extent] = '0px';
-        lineParent.appendChild(l);
-      }
-
-      var colCount, colOwners, rowCount, rowOwners;
-
-      function matrixillate(matrix) {
-        // mesaure the matrix, must be rectangular
-        rowCount = matrix.length;
-        colCount = rowCount && matrix[0].length || 0;
-        // transpose matrix
-        var transpose = [];
-        for (var i=0; i<colCount; i++) {
-          var c = [];
-          for (var j=0; j<rowCount; j++) {
-            c.push(matrix[j][i]);
-          }
-          transpose.push(c);
-        }
-        // assign sizing control
-        colOwners = findOwners(matrix);
-        rowOwners = findOwners(transpose);
-        //console.log('colOwners', colOwners);
-        //console.log('rowOwners', rowOwners);
-      }
-
-      function findOwners(matrix) {
-        var majCount = matrix.length;
-        var minCount = majCount && matrix[0].length || 0;
-        var owners = [];
-        // for each column (e.g.)
-        for (var i=0; i<minCount; i++) {
-          // array of contained areas
-          var contained = {};
-          // look at each row to find a containing area
-          for (var j=0; j<majCount; j++) {
-            // get the row vector
-            var vector = matrix[j]
-            // node index at [i,j]
-            var nodei = vector[i];
-            // if a node is there
-            if (nodei) {
-              // determine if it bounds this column
-              var owns = false;
-              if (i === 0) {
-                owns = (i === minCount-1) || (nodei !== vector[i+1]);
-              } else if (i === minCount - 1) {
-                owns = (i === 0) || (nodei !== vector[i-1]);
-              } else {
-                owns = nodei !== vector[i-1] && nodei !== vector[i+1];
-              }
-              if (owns) {
-                contained[nodei] = 1;
-              }
-            }
-            // store the owners for this column
-            owners[i] = contained;
-          }
-        }
-        return owners;
-      }
-
-      var nodes;
-
-      function colWidth(i) {
-        for (var col in colOwners[i]) {
-          col = Number(col);
-          if (col === 0) {
-            return 96;
-          }
-          var node = nodes[col - 1];
-          if (node.hasAttribute('h-flex') || node.hasAttribute('flex')) {
-            return -1;
-          }
-          var w = node.offsetWidth;
-          //console.log('colWidth(' + i + ') ==', w);
-          return w;
-        }
-        return -1;
-      }
-
-      function rowHeight(i) {
-        for (var row in rowOwners[i]) {
-          row = Number(row);
-          if (row === 0) {
-            return 96;
-          }
-          var node = nodes[row - 1];
-          if (node.hasAttribute('v-flex') || node.hasAttribute('flex')) {
-            return -1;
-          }
-          var h = node.offsetHeight;
-          //console.log('rowHeight(' + i + ') ==', h);
-          return h;
-        }
-        return -1;
-      }
-
-      var m = 0;
-
-      function railize(count, sizeFn) {
-        //
-        // create rails for `count` tracks using 
-        // sizing function `sizeFn(trackNo)`
-        //
-        // for n tracks there are (n+1) rails
-        //
-        //   |track|track|track|
-        //  0|->sz0|->sz1|<-sz2|0
-        //
-        //   |track|track|track|
-        //  0|->sz0|     |<-sz2|0
-        //
-        // there can be one elastic track per set
-        //
-        //   |track|track|track|track|
-        //  0|-->s0|-->s1|<--s1|<--s2|0
-        //
-        // sz1 spans multiple  tracks which makes
-        // it elastic (it's underconstrained)
-        //
-        var rails = [];
-        var a = 0;
-        for (var i=0, x; i<count; i++) {
-          rails[i] = {p: a, s: 1};
-          x = sizeFn(i) + m + m;
-          if (x == -1) {
-            break;
-          }
-          a += x;
-        }
-        if (i === count) {
-          rails[i] = {p: 0, s: -1};
-        }
-        var b = 0;
-        for (var ii=count, x; ii>i; ii--) {
-          rails[ii] = {p: b, s: -1};
-          x = sizeFn(ii - 1) + m + m;
-          if (x !== -1) {
-            b += x;
-          }
-        }
-        return rails;
-      }
-
-      // TODO(sjmiles): this code tries to preserve actual position,
-      // so 'unposition' is really 'naturalize' or something
-      function unposition(box) {
-        var style = box.style;
-        //style.right = style.bottom = style.width = style.height = '';
-        style.position = 'absolute';
-        style.display = 'inline-block';
-        style.boxSizing = style.mozBoxSizing = 'border-box';
-      }
-
-      function _position(style, maj, min, ext, a, b) {
-        style[maj] = style[min] = '';
-        style[ext] = 'auto';
-        if (a.s < 0 && b.s < 0) {
-          var siz = a.p - b.p - m - m;
-          style[ext] = siz + 'px';
-          var c = 'calc(100% - ' + (b.p + siz + m) + 'px' + ')';
-          style[maj] = '-webkit-' + c;
-          style[maj] = c;
-        } else if (b.s < 0) {
-          style[maj] = a.p + m + 'px';
-          style[min] = b.p + m + 'px';
-        } else {
-          style[maj] = a.p + m + 'px';
-          style[ext] = b.p - a.p - m - m + 'px';
-        }
-      }
-
-      function position(elt, left, right, top, bottom) {
-        _position(elt.style, 'top', 'bottom', 'height', rows[top], 
-            rows[bottom]);
-        _position(elt.style, 'left', 'right', 'width', columns[left], 
-            columns[right]);
-      }
-
-      function layout(matrix, anodes, alineParent) {
-        //console.group('layout');
-
-        lineParent = alineParent;
-        nodes = anodes;
-        matrixillate(matrix);
-
-        nodes.forEach(unposition);
-
-        columns = railize(colCount, colWidth);
-        rows = railize(rowCount, rowHeight);
-
-        if (alineParent) {
-          //console.group('column rails');
-          columns.forEach(function(c) {
-            //console.log(c.p, c.s);
-            line('left', c.p, c.s);
-          });
-          //console.groupEnd();
-
-          //console.group('row rails');
-          rows.forEach(function(r) {
-            //console.log(r.p, r.s);
-            line('top', r.p, r.s);
-          });
-          //console.groupEnd();
-        }
-
-        //console.group('rail boundaries');
-        nodes.forEach(function(node, i) {
-          // node indices are 1-based
-          var n = i + 1;
-          // boundary rails
-          var l, r, t = 1e10, b = -1e10;
-          matrix.forEach(function(vector, i) {
-            var f = vector.indexOf(n);
-            if (f > -1) {
-              l = f;
-              r = vector.lastIndexOf(n) + 1;
-              t = Math.min(t, i);
-              b = Math.max(b, i) + 1;
-            }
-          });
-          if (l == undefined) {
-            //console.log('unused');
-            node.style.position = 'absolute';
-            var offscreen = node.getAttribute('offscreen');
-            switch (offscreen) {
-              case 'basement':
-                node.style.zIndex = 0;
-                break;
-              case 'left':
-              case 'top':
-                node.style[offscreen] = node.offsetWidth * -2 + 'px';
-                break;
-              case 'right':
-                node.style.left = node.offsetParent.offsetWidth 
-                    + node.offsetWidth + 'px';
-                break;
-              case 'bottom':
-                node.style.top = node.parentNode.offsetHeight 
-                    + node.offsetHeight + 'px';
-                break;
-              default:
-                node.style[Math.random() >= 0.5 ? 'left' : 'top'] = '-110%';
-            }
-            //node.style.opacity = 0;
-            node.style.pointerEvents = 'none';
-          } else {
-            node.style.pointerEvents = '';
-            //node.style.opacity = '';
-            //console.log(l, r, t, b);
-            position(node, l, r, t, b);
-          }
-        });
-        //console.groupEnd();
-        //console.groupEnd();
-      }
-
-    })();
-  </script>
-</polymer-element>
-<!--
-Copyright 2013 The Polymer Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
--->
-<!--
-/**
- * @module Polymer Elements
- */
--->
-<!--
-/**
- * The polymer-selection element is used to manage selection state. It has no
- * visual appearance and is typically used in conjuneciton with another element.
- * For example, <a href="polymer-selector.html">polymer-selector</a>
- * use a polymer-selection to manage selection.
- *
- * To mark an item as selected, call the select(item) method on 
- * polymer-selection. Notice that the item itself is an argument to this method.
- * The polymer-selection element manages selection state for any given set of
- * items. When an item is selected, the `polymer-select` event is fired.
- * The attribute "multi" indicates if multiple items can be selected at once.
- * 
- * Example:
- *
- *     <polymer-element name="selection-example">
- *        <template>
- *          <style>
- *            ::-webkit-distributed(> .selected) {
- *              font-weight: bold;
- *              font-style: italic;
- *            }
- *          </style>
- *          <ul on-tap="{{itemTapAction}}">
- *            <content></content>
- *          </ul>
- *          <polymer-selection id="selection" multi on-polymer-select="{{selectAction}}"></polymer-selection>
- *        </template>
- *        <script>
- *          Polymer('selection-example', {
- *            itemTapAction: function(e) {
- *              this.$.selection.select(e.target);
- *            },
- *            selectAction: function(e, detail) {
- *              detail.item.classList.toggle('selected', detail.isSelected);
- *            }
- *          });
- *        </script>
- *     </polymer-element>
- *
- *     <selection-example>
- *       <li>Red</li>
- *       <li>Green</li>
- *       <li>Blue</li>
- *     </selection-example>
- *
- * @class polymer-selection
- */
- /**
- * Fired when an item's selection state is changed. This event is fired both
- * when an item is selected or deselected. The `isSelected` detail property
- * contains the selection state.
- * 
- * @event polymer-select
- * @param {Object} detail
- *   @param {boolean} detail.isSelected true for selection and false for deselection
- *   @param {Object} detail.item the item element
- */
--->
-
-
-<polymer-element name="polymer-selection" attributes="multi" assetpath="../polymer-selection/">
-  <template>
-    <style>
-      :host {
-        display: none !important;
-      }
-    </style>
-  </template>
   <script>
-    Polymer('polymer-selection', {
-      /**
-       * If true, multiple selections are allowed.
-       *
-       * @attribute multi
-       * @type boolean
-       * @default false
-       */
-      multi: false,
-      ready: function() {
-        this.clear();
-      },
-      clear: function() {
-        this.selection = [];
-      },
-      /**
-       * Retrieves the selected item(s).
-       * @method getSelection
-       * @returns Returns the selected item(s). If the multi property is true,
-       * getSelection will return an array, otherwise it will return 
-       * the selected item or undefined if there is no selection.
-      */
-      getSelection: function() {
-        return this.multi ? this.selection : this.selection[0];
-      },
-      /**
-       * Indicates if a given item is selected.
-       * @method isSelected
-       * @param {any} item The item whose selection state should be checked.
-       * @returns Returns true if `item` is selected.
-      */
-      isSelected: function(item) {
-        return this.selection.indexOf(item) >= 0;
-      },
-      setItemSelected: function(item, isSelected) {
-        if (item !== undefined && item !== null) {
-          if (isSelected) {
-            this.selection.push(item);
-          } else {
-            var i = this.selection.indexOf(item);
-            if (i >= 0) {
-              this.selection.splice(i, 1);
-            }
-          }
-          this.fire("polymer-select", {isSelected: isSelected, item: item});
-        }
-      },
-      /**
-       * Set the selection state for a given `item`. If the multi property
-       * is true, then the selected state of `item` will be toggled; otherwise
-       * the `item` will be selected.
-       * @method select
-       * @param {any} item: The item to select.
-      */
-      select: function(item) {
-        if (this.multi) {
-          this.toggle(item);
-        } else if (this.getSelection() !== item) {
-          this.setItemSelected(this.getSelection(), false);
-          this.setItemSelected(item, true);
-        }
-      },
-      /**
-       * Toggles the selection state for `item`.
-       * @method toggle
-       * @param {any} item: The item to toggle.
-      */
-      toggle: function(item) {
-        this.setItemSelected(item, !this.isSelected(item));
-      }
-    });
-  </script>
-</polymer-element>
-
-<!--
-Copyright 2013 The Polymer Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
--->
-<!--
-/**
- * @module Polymer Elements
- */
-/**
- * polymer-selector is used to manage a list of elements that can be selected.
- * The attribute "selected" indicates which item element is being selected.
- * The attribute "multi" indicates if multiple items can be selected at once.
- * Tapping on the item element would fire "polymer-activate" event. Use
- * "polymer-select" event to listen for selection changes.
- *
- * Example:
- *
- *     <polymer-selector selected="0">
- *       <div>Item 1</div>
- *       <div>Item 2</div>
- *       <div>Item 3</div>
- *     </polymer-selector>
- *
- * polymer-selector is not styled.  So one needs to use "polymer-selected" CSS
- * class to style the selected element.
- * 
- *     <style>
- *       .item.polymer-selected {
- *         background: #eee;
- *       }
- *     </style>
- *     ...
- *     <polymer-selector>
- *       <div class="item">Item 1</div>
- *       <div class="item">Item 2</div>
- *       <div class="item">Item 3</div>
- *     </polymer-selector>
- *
- * @class polymer-selector
- * @status stable
- */
-/**
- * Fired when an item's selection state is changed. This event is fired both
- * when an item is selected or deselected. The `isSelected` detail property
- * contains the selection state.
- * 
- * @event polymer-select
- * @param {Object} detail
- *   @param {boolean} detail.isSelected true for selection and false for deselection
- *   @param {Object} detail.item the item element
- */
-/**
- * Fired when an item element is tapped.
- * 
- * @event polymer-activate
- * @param {Object} detail
- *   @param {Object} detail.item the item element
- */
--->
 
+    Polymer('core-selector', {
+      publish: {
+        /**
+         * Gets or sets the selected element.  Default to use the index
+         * of the item element.
+         *
+         * If you want a specific attribute value of the element to be
+         * used instead of index, set "valueattr" to that attribute name.
+         *
+         * Example:
+         *
+         *     <core-selector valueattr="label" selected="foo">
+         *       <div label="foo"></div>
+         *       <div label="bar"></div>
+         *       <div label="zot"></div>
+         *     </core-selector>
+         *
+         * In multi-selection this should be an array of values.
+         *
+         * Example:
+         *
+         *     <core-selector id="selector" valueattr="label" multi>
+         *       <div label="foo"></div>
+         *       <div label="bar"></div>
+         *       <div label="zot"></div>
+         *     </core-selector>
+         *
+         *     this.$.selector.selected = ['foo', 'zot'];
+         *
+         * @attribute selected
+         * @type Object
+         * @default null
+         */
+        selected: -1,
 
+        /**
+         * If true, multiple selections are allowed.
+         *
+         * @attribute multi
+         * @type boolean
+         * @default false
+         */
+        multi: false,
+
+        /**
+         * Specifies the attribute to be used for "selected" attribute.
+         *
+         * @attribute valueattr
+         * @type string
+         * @default 'name'
+         */
+        valueattr: 'name',
+
+        /**
+         * Specifies the CSS class to be used to add to the selected element.
+         * 
+         * @attribute selectedClass
+         * @type string
+         * @default 'core-selected'
+         */
+        selectedClass: 'core-selected',
+
+        /**
+         * Specifies the property to be used to set on the selected element
+         * to indicate its active state.
+         *
+         * @attribute selectedProperty
+         * @type string
+         * @default ''
+         */
+        selectedProperty: '',
+
+        /**
+         * Specifies the property to be used to set on the selected element
+         * to indicate its active state.
+         *
+         * @attribute selectedProperty
+         * @type string
+         * @default 'active'
+         */
+        selectedAttribute: 'active',
+
+        /**
+         * Returns the currently selected element. In multi-selection this returns
+         * an array of selected elements.
+         * 
+         * @attribute selectedItem
+         * @type Object
+         * @default null
+         */
+        selectedItem: null,
+
+        /**
+         * In single selection, this returns the model associated with the
+         * selected element.
+         * 
+         * @attribute selectedModel
+         * @type Object
+         * @default null
+         */
+        selectedModel: null,
+
+        /**
+         * In single selection, this returns the selected index.
+         *
+         * @attribute selectedIndex
+         * @type number
+         * @default -1
+         */
+        selectedIndex: -1,
+
+        /**
+         * The target element that contains items.  If this is not set 
+         * core-selector is the container.
+         * 
+         * @attribute target
+         * @type Object
+         * @default null
+         */
+        target: null,
+
+        /**
+         * This can be used to query nodes from the target node to be used for 
+         * selection items.  Note this only works if the 'target' property is set.
+         *
+         * Example:
+         *
+         *     <core-selector target="{{$.myForm}}" itemsSelector="input[type=radio]"></core-selector>
+         *     <form id="myForm">
+         *       <label><input type="radio" name="color" value="red"> Red</label> <br>
+         *       <label><input type="radio" name="color" value="green"> Green</label> <br>
+         *       <label><input type="radio" name="color" value="blue"> Blue</label> <br>
+         *       <p>color = {{color}}</p>
+         *     </form>
+         * 
+         * @attribute itemSelector
+         * @type string
+         * @default ''
+         */
+        itemsSelector: '',
+
+        /**
+         * The event that would be fired from the item element to indicate
+         * it is being selected.
+         *
+         * @attribute activateEvent
+         * @type string
+         * @default 'tap'
+         */
+        activateEvent: 'tap',
+
+        /**
+         * Set this to true to disallow changing the selection via the
+         * `activateEvent`.
+         *
+         * @attribute notap
+         * @type boolean
+         * @default false
+         */
+        notap: false,
+      },
 
-<polymer-element name="polymer-selector" attributes="selected multi valueattr selectedClass selectedProperty selectedItem selectedModel selectedIndex notap target itemsSelector activateEvent" assetpath="../polymer-selector/">
-  <template>
-    <polymer-selection id="selection" multi="{{multi}}" on-polymer-select="{{selectionSelect}}"></polymer-selection>
-    <content id="items" select="*"></content>
-  </template>
-  <script>
-    Polymer('polymer-selector', {
-      /**
-       * Gets or sets the selected element.  Default to use the index
-       * of the item element.
-       *
-       * If you want a specific attribute value of the element to be
-       * used instead of index, set "valueattr" to that attribute name.
-       *
-       * Example:
-       *
-       *     <polymer-selector valueattr="label" selected="foo">
-       *       <div label="foo"></div>
-       *       <div label="bar"></div>
-       *       <div label="zot"></div>
-       *     </polymer-selector>
-       *
-       * In multi-selection this should be an array of values.
-       *
-       * Example:
-       *
-       *     <polymer-selector id="selector" valueattr="label" multi>
-       *       <div label="foo"></div>
-       *       <div label="bar"></div>
-       *       <div label="zot"></div>
-       *     </polymer-selector>
-       *
-       *     this.$.selector.selected = ['foo', 'zot'];
-       *
-       * @attribute selected
-       * @type Object
-       * @default null
-       */
-      selected: null,
-      /**
-       * If true, multiple selections are allowed.
-       *
-       * @attribute multi
-       * @type boolean
-       * @default false
-       */
-      multi: false,
-      /**
-       * Specifies the attribute to be used for "selected" attribute.
-       *
-       * @attribute valueattr
-       * @type string
-       * @default 'name'
-       */
-      valueattr: 'name',
-      /**
-       * Specifies the CSS class to be used to add to the selected element.
-       * 
-       * @attribute selectedClass
-       * @type string
-       * @default 'polymer-selected'
-       */
-      selectedClass: 'polymer-selected',
-      /**
-       * Specifies the property to be used to set on the selected element
-       * to indicate its active state.
-       *
-       * @attribute selectedProperty
-       * @type string
-       * @default 'active'
-       */
-      selectedProperty: 'active',
-      /**
-       * Returns the currently selected element. In multi-selection this returns
-       * an array of selected elements.
-       * 
-       * @attribute selectedItem
-       * @type Object
-       * @default null
-       */
-      selectedItem: null,
-      /**
-       * In single selection, this returns the model associated with the
-       * selected element.
-       * 
-       * @attribute selectedModel
-       * @type Object
-       * @default null
-       */
-      selectedModel: null,
-      /**
-       * In single selection, this returns the selected index.
-       *
-       * @attribute selectedIndex
-       * @type number
-       * @default -1
-       */
-      selectedIndex: -1,
-      /**
-       * The target element that contains items.  If this is not set 
-       * polymer-selector is the container.
-       * 
-       * @attribute target
-       * @type Object
-       * @default null
-       */
-      target: null,
-      /**
-       * This can be used to query nodes from the target node to be used for 
-       * selection items.  Note this only works if the 'target' property is set.
-       *
-       * Example:
-       *
-       *     <polymer-selector target="{{$.myForm}}" itemsSelector="input[type=radio]"></polymer-selector>
-       *     <form id="myForm">
-       *       <label><input type="radio" name="color" value="red"> Red</label> <br>
-       *       <label><input type="radio" name="color" value="green"> Green</label> <br>
-       *       <label><input type="radio" name="color" value="blue"> Blue</label> <br>
-       *       <p>color = {{color}}</p>
-       *     </form>
-       * 
-       * @attribute itemSelector
-       * @type string
-       * @default ''
-       */
-      itemsSelector: '',
-      /**
-       * The event that would be fired from the item element to indicate
-       * it is being selected.
-       *
-       * @attribute activateEvent
-       * @type string
-       * @default 'tap'
-       */
-      activateEvent: 'tap',
-      notap: false,
       ready: function() {
         this.activateListener = this.activateHandler.bind(this);
         this.observer = new MutationObserver(this.updateSelected.bind(this));
@@ -3714,6 +1425,7 @@
           this.target = this;
         }
       },
+
       get items() {
         var nodes = this.target !== this ? (this.itemsSelector ? 
             this.target.querySelectorAll(this.itemsSelector) : 
@@ -3722,6 +1434,7 @@
           return n && n.localName !== 'template';
         });
       },
+
       targetChanged: function(old) {
         if (old) {
           this.removeListener(old);
@@ -3732,18 +1445,23 @@
           this.observer.observe(this.target, {childList: true});
         }
       },
+
       addListener: function(node) {
         node.addEventListener(this.activateEvent, this.activateListener);
       },
+
       removeListener: function(node) {
         node.removeEventListener(this.activateEvent, this.activateListener);
       },
+
       get selection() {
         return this.$.selection.getSelection();
       },
+
       selectedChanged: function() {
         this.updateSelected();
       },
+
       updateSelected: function() {
         this.validateSelected();
         if (this.multi) {
@@ -3755,6 +1473,7 @@
           this.valueToSelection(this.selected);
         }
       },
+
       validateSelected: function() {
         // convert to an array for multi-selection
         if (this.multi && !Array.isArray(this.selected) && 
@@ -3762,6 +1481,7 @@
           this.selected = [this.selected];
         }
       },
+
       clearSelection: function() {
         if (this.multi) {
           this.selection.slice().forEach(function(s) {
@@ -3773,14 +1493,17 @@
         this.selectedItem = null;
         this.$.selection.clear();
       },
+
       valueToSelection: function(value) {
         var item = (value === null || value === undefined) ? 
             null : this.items[this.valueToIndex(value)];
         this.$.selection.select(item);
       },
+
       updateSelectedItem: function() {
         this.selectedItem = this.selection;
       },
+
       selectedItemChanged: function() {
         if (this.selectedItem) {
           var t = this.selectedItem.templateInstance;
@@ -3791,6 +1514,7 @@
         this.selectedIndex = this.selectedItem ? 
             parseInt(this.valueToIndex(this.selected)) : -1;
       },
+
       valueToIndex: function(value) {
         // find an item with value == value and return it's index
         for (var i=0, items=this.items, c; (c=items[i]); i++) {
@@ -3801,1383 +1525,1218 @@
         // if no item found, the value itself is probably the index
         return value;
       },
+
       valueForNode: function(node) {
         return node[this.valueattr] || node.getAttribute(this.valueattr);
       },
-      // events fired from <polymer-selection> object
+
+      // events fired from <core-selection> object
       selectionSelect: function(e, detail) {
         this.updateSelectedItem();
         if (detail.item) {
           this.applySelection(detail.item, detail.isSelected);
-        }
-      },
-      applySelection: function(item, isSelected) {
-        if (this.selectedClass) {
-          item.classList.toggle(this.selectedClass, isSelected);
-        }
-        if (this.selectedProperty) {
-          item[this.selectedProperty] = isSelected;
-        }
-      },
-      // event fired from host
-      activateHandler: function(e) {
-        if (!this.notap) {
-          var i = this.findDistributedTarget(e.target, this.items);
-          if (i >= 0) {
-            var item = this.items[i];
-            var s = this.valueForNode(item) || i;
-            if (this.multi) {
-              if (this.selected) {
-                this.addRemoveSelected(s);
-              } else {
-                this.selected = [s];
-              }
-            } else {
-              this.selected = s;
-            }
-            this.asyncFire('polymer-activate', {item: item});
-          }
-        }
-      },
-      addRemoveSelected: function(value) {
-        var i = this.selected.indexOf(value);
-        if (i >= 0) {
-          this.selected.splice(i, 1);
-        } else {
-          this.selected.push(value);
-        }
-        this.valueToSelection(value);
-      },
-      findDistributedTarget: function(target, nodes) {
-        // find first ancestor of target (including itself) that
-        // is in nodes, if any
-        while (target && target != this) {
-          var i = Array.prototype.indexOf.call(nodes, target);
-          if (i >= 0) {
-            return i;
-          }
-          target = target.parentNode;
-        }
-      }
-    });
-  </script>
-</polymer-element>
-
-<!--
-Copyright 2013 The Polymer Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
--->
-
-
-<polymer-element name="polymer-ui-theme-aware" attributes="theme" assetpath="../polymer-ui-theme-aware/">
-  <script>
-    PolymerUI = {
-      validateTheme: function() {
-        var theme = this.theme;
-        var defaultTheme = this.defaultTheme;
-        if (!theme) {
-          var p = this;
-          while (p && !theme) {
-            theme = p.getAttribute && p.getAttribute('theme');
-            defaultTheme = defaultTheme || p.defaultTheme;
-            p = p.parentNode || p.host;
-          }
-        }
-        this.activeTheme = this.theme || theme || defaultTheme;
-      }
-    };
-    Polymer('polymer-ui-theme-aware', {
-      defaultTheme: '',
-      activeTheme: '',
-      validateTheme: PolymerUI.validateTheme,
-      enteredView: function() {
-        this.validateTheme();
-      },
-      themeChanged: function() {
-        this.activeTheme = this.theme;
-      },
-      activeThemeChanged: function(old) {
-        this.classList.switch(old, this.activeTheme);
-      }
-    });
-  </script>
-</polymer-element>
-
-<!--
-Copyright 2013 The Polymer Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
--->
-<!--
-/**
- * @module Polymer UI Elements
- */
-/**
- * polymer-ui-menu is a polymer-selector with theme propagation.  It styles to look like 
- * a menu and should be used in conjunction with polymer-ui-menu-item.
- *
- * Example:
- * 
- *     <polymer-ui-menu selected="0">
- *       <polymer-ui-menu-item icon="settings" label="Settings"></polymer-ui-menu-item>
- *       <polymer-ui-menu-item icon="dialog" label="Dialog"></polymer-ui-menu-item>
- *       <polymer-ui-menu-item icon="search" label="Search"></polymer-ui-menu-item>
- *     </polymer-ui-menu>
- *
- * The "selectedItem" property returns the currently selected item.
- *
- * Example:
- *
- *     <polymer-ui-menu selected="0" selectedItem="{{item}}">
- *       <polymer-ui-menu-item icon="settings" label="Settings"></polymer-ui-menu-item>
- *       <polymer-ui-menu-item icon="dialog" label="Dialog"></polymer-ui-menu-item>
- *       <polymer-ui-menu-item icon="search" label="Search"></polymer-ui-menu-item>
- *     </polymer-ui-menu>
- *
- *     <div>selected label: {{item.label}}</div>
- *
- * The event "polymer-select" can also be used to listen for selection change.
- *
- * Example:
- *
- *     <polymer-ui-menu selected="0" on-polymer-select="{{selectAction}}">
- *       <polymer-ui-menu-item icon="settings" label="Settings"></polymer-ui-menu-item>
- *       <polymer-ui-menu-item icon="dialog" label="Dialog"></polymer-ui-menu-item>
- *       <polymer-ui-menu-item icon="search" label="Search"></polymer-ui-menu-item>
- *     </polymer-ui-menu>
- *
- *     ...
- *
- *     selectAction: function(e, detail) {
- *       if (detail.isSelected) {
- *         var selectedItem = detail.item;
- *         ...
- *       }
- *     }
- *
- * @class polymer-ui-menu
- * @extends polymer-selector
- */
--->
-
-
-
-
-<polymer-element name="polymer-ui-menu" extends="polymer-selector" attributes="theme" on-polymer-select="{{selectionChange}}" assetpath="../polymer-ui-menu/">
-  <template>
-    <style>/*
-Copyright 2013 The Polymer Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
-*/
-
-:host {
-  /* technical */
-  display: block;
-  box-sizing: border-box;
-  -moz-box-sizing: border-box;
-  /* size */
-  padding: 0.4em;
-  font-weight: bold;
-}
-
-:host(.polymer-ui-light-theme:host) {
-  color: #333333;
-}
-
-:host(.polymer-ui-dark-theme:host) {
-  background: -webkit-linear-gradient(-60deg, #3d3d3d, #353535);
-  background: -moz-linear-gradient(-60deg, #3d3d3d, #353535);
-  background: -ms-linear-gradient(-60deg, #3d3d3d, #353535);
-  color: #ededed;
-}
-</style>
-    <shadow></shadow>
-  </template>
-  <script>
-    Polymer('polymer-ui-menu', {
-      activeTheme: '',
-      validateTheme: PolymerUI.validateTheme,
-      enteredView: function() {
-        this.validateTheme();
-      },
-      themeChanged: function() {
-        this.activeTheme = this.theme;
-      },
-      activeThemeChanged: function(old) {
-        this.classList.switch(old, this.activeTheme);
-      },
-      selectionChange: function(e, detail) {
-        if (detail.isSelected) {
-          var i = detail.item;
-          // find nested selected item
-          while (i.selectedItem) {
-            i = i.selectedItem;
-          }
-          this.selectedItem = i;
-        }
-      }
-    });
-  </script>
-</polymer-element>
-
-<!--
-Copyright 2013 The Polymer Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
--->
-<!--
-/**
- * @module Polymer Elements
- */
-/**
- * The `polymer-meta` elements provides a method of constructing a 
- * self-organizing database.  It is useful to collate element meta-data for 
- * things like catalogs and for sandbox.
- *
- * Example, an element folder has a `metadata.html` file in it, that contains a 
- * polymer-meta, something like this:
- *
- *     <polymer-meta id="my-element">
- *       <property name="color" type="color"></property>
- *     </polymer-meta>
- *
- * An application can import as many of these files as it wants, and then use 
- * polymer-meta again to access the collected data.
- *
- *     <script>
- *       var meta = document.createElement('polymer-meta');
- *       console.log(meta.list); // dump a list of all meta-data elements that have been created
- *     </script>
- *
- * Use `byId(id)` to retrive a specific polymer-meta.
- *
- *     <script>
- *       var meta = document.createElement('polymer-meta');
- *       console.log(meta.byId('my-element'));
- *     </script>
- *
- * By default all meta-data are stored in a signle databse.  If your meta-data 
- * have different types and want them to be stored separately, use `type` to 
- * differentiate them.
- *
- * @class polymer-meta
- */
--->
-
-
-<polymer-element name="polymer-meta" attributes="list label type" assetpath="../polymer-meta/">
-  <script>
-    (function() {
-      var SKIP_ID = 'meta';
-      var metaData = {}, metaArray = {};
-
-      Polymer('polymer-meta', {
-        alwaysPrepare: true,
-        /**
-         * The type of meta-data.  All meta-data with the same type with be
-         * stored together.
-         * 
-         * @attribute type
-         * @type string
-         * @default 'default'
-         */
-        type: 'default',
-        ready: function() {
-          this.idChanged();
-        },
-        get metaArray() {
-          var t = this.type;
-          if (!metaArray[t]) {
-            metaArray[t] = [];
-          }
-          return metaArray[t];
-        },
-        get metaData() {
-          var t = this.type;
-          if (!metaData[t]) {
-            metaData[t] = {};
+        }
+      },
+
+      applySelection: function(item, isSelected) {
+        if (this.selectedClass) {
+          item.classList.toggle(this.selectedClass, isSelected);
+        }
+        if (this.selectedProperty) {
+          item[this.selectedProperty] = isSelected;
+        }
+        if (this.selectedAttribute && item.setAttribute) {
+          if (isSelected) {
+            item.setAttribute(this.selectedAttribute, '');
+          } else {
+            item.removeAttribute(this.selectedAttribute);
           }
-          return metaData[t];
-        },
-        idChanged: function(old) {
-          if (this.id && this.id !== SKIP_ID) {
-            this.unregister(this, old);
-            this.metaData[this.id] = this;
-            this.metaArray.push(this);
+        }
+      },
+
+      // event fired from host
+      activateHandler: function(e) {
+        if (!this.notap) {
+          var i = this.findDistributedTarget(e.target, this.items);
+          if (i >= 0) {
+            var item = this.items[i];
+            var s = this.valueForNode(item) || i;
+            if (this.multi) {
+              if (this.selected) {
+                this.addRemoveSelected(s);
+              } else {
+                this.selected = [s];
+              }
+            } else {
+              this.selected = s;
+            }
+            this.asyncFire('core-activate', {item: item});
           }
-        },
-        unregister: function(meta, id) {
-          delete this.metaData[id || meta.id];
-          var i = this.metaArray.indexOf(meta);
+        }
+      },
+
+      addRemoveSelected: function(value) {
+        var i = this.selected.indexOf(value);
+        if (i >= 0) {
+          this.selected.splice(i, 1);
+        } else {
+          this.selected.push(value);
+        }
+        this.valueToSelection(value);
+      },
+
+      findDistributedTarget: function(target, nodes) {
+        // find first ancestor of target (including itself) that
+        // is in nodes, if any
+        while (target && target != this) {
+          var i = Array.prototype.indexOf.call(nodes, target);
           if (i >= 0) {
-            this.metaArray.splice(i, 1);
+            return i;
           }
-        },
-        /**
-         * Returns a list of all meta-data elements with the same type.
-         * 
-         * @attribute list
-         * @type array
-         * @default []
-         */
-        get list() {
-          return this.metaArray;
-        },
-        /**
-         * Returns the first `<template>` in the `<polymer-meta>` subtree. This
-         * is useful to store element example.
-         *
-         *     <polymer-meta id="polymer-ui-toolbar" label="Polymer Toolbar">
-         *       <template>
-         *         <polymer-ui-toolbar theme="polymer-ui-light-theme">
-         *           <polymer-ui-icon-button icon="menu"></polymer-ui-icon-button>
-         *           <div flex>Title</div>
-         *           <polymer-ui-icon-button icon="add"></polymer-ui-icon-button>
-         *         </polymer-ui-toolbar>
-         *       </template>
-         *     </polymer-meta>
-         * 
-         * @attribute archetype
-         * @type node
-         * @default null
-         */
-        get archetype() {
-          return this.querySelector('template');
-        },
-        /**
-         * Retrieves meta-data by ID.
-         *
-         * @method byId
-         * @param {String} id The ID of the meta-data to be returned.
-         * @returns Returns meta-data.
-         */
-        byId: function(id) {
-          return this.metaData[id];
-        },
-        get childMetas() {
-          return this.querySelectorAll(this.localName);
+          target = target.parentNode;
         }
-      });
-    })();
+      }
+    });
   </script>
 </polymer-element>
 
 <!--
-Copyright 2013 The Polymer Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
 -->
 
 <!--
-/**
-* Polymer UI Elements
-*
-* @module Polymer UI Elements
-*/  
-/**
- * polymer-ui-iconset allows users to define their own icon sets.
- *
- * Example:
- *
- *     <polymer-ui-iconset id="my-icons" src="my-icons.png" width="96" iconsize="24"
- *         icons="location place starta stopb bus car train walk">
- *     </polymer-ui-iconset>
- *
- * The above will automatically register the icon set "my-icons" to the iconset
- * database.  To use the user-defined icon set, prefix the icon with
- * the icon set e.g. "my-icons:clock"
- *
- * Example:
- *
- *     <polymer-ui-icon-button icon="my-icons:car"></polymer-ui-icon-button>
- *
- * @class polymer-ui-iconset
- */
+@group Polymer Core Elements
+
+The `core-theme-aware` element is a base element which can be 
+extended to create elements that can support theming. This element applies
+no styling itself; instead it allows the author to create styles that 
+apply known themes.
+
+The user of a theme-aware element can set a `theme` attribute anywhere 
+in the dom tree containing the element, ShadowDOM inclusive. The theme-aware
+element simply ensures that the element has the appropriate theme class. This
+theme class corresponds to the theme attribute.
+
+This means an author can create a set of elements that support a particular
+theme, and the user of that set can, for example, set a theme attribute
+on the body element to apply that theme inside the body element. The 
+`core-theme-aware` element also supports nested theming. For example,
+the body element might be given theme="standard" but a particuarly subtree
+could be given a theme="different".
+
+`core-theme-aware` uses the [Polymer.ThemeAware](#Polymer.ThemeAware) mixin.
+
+Example:
+
+    <body theme="pretty">
+
+      <core-theme-aware> 
+        auto-styled with class="pretty" as a result of the containing theme
+      <core-theme-aware>
+
+      <section theme="different">
+
+        <core-theme-aware> 
+          auto-styled with class="different" as a result of the containing theme
+        <core-theme-aware>
+
+      </section>
+
+    </body>
+
+@class core-theme-aware
+@status beta
+@homepage github.io
+
+-->
+
+<!--
+ // NOTE: Polymer.ThemeAware methods separately documented so they can be part
+ // of core-theme-aware.
+ /**
+   * When no theme is specified, the value `defaultTheme` will be applied
+   * as the theme class.
+   * This is not typically intended for a user to set but is 
+   * useful in an element that extends `core-theme-aware`.
+   * 
+   * @attribute defaultTheme
+   * @type string
+   * @default ''
+   */
+
+  /**
+   * The `activeTheme` property stores the current theme. When the activeTheme
+   * changes, the element's theme class is updated. An element can 
+   * implement the `activeThemeChanged` method to do processing when the
+   * theme changes.
+   *
+   * This is not typically intended for a user to set but is 
+   * useful in an element that extends `core-theme-aware`.
+   * 
+   * @attribute activeTheme
+   * @type string
+   * @default ''
+   */
+
+  /**
+   * The theme set by the user of the theme-aware element. The `theme`
+   * property will only be set if the user has specifically given the
+   * theme-aware element a theme attribute.
+   *
+   * @attribute theme
+   * @type string
+   * @default ''
+   */
 -->
 
 
-<polymer-element name="polymer-ui-iconset" extends="polymer-meta" attributes="src width icons iconsize" assetpath="../polymer-ui-iconset/">
+<polymer-element name="core-theme-aware" attributes="theme" assetpath="../core-theme-aware/">
+
   <script>
-    Polymer('polymer-ui-iconset', {
-      width: 0,
-      icons: '',
-      iconsize: 0,
-      offsetx: 0,
-      offsety: 0,
-      type: 'iconset',
-      ready: function() {
-        // TODO(sorvell): ensure iconset's src is always relative to the main
-        // document
-        if (this.src && (this.ownerDocument !== document)) {
-          this.src = this.resolvePath(this.src, this.ownerDocument.baseURI);
-        }
-        this.super();
-        this.iconsChanged();
-        this.updateThemes();
-      },
-      iconsChanged: function() {
-        this.iconMap = {};
-        var ox = this.offsetx;
-        var oy = this.offsety;
-        this.icons && this.icons.split(/\s+/g).forEach(function(name, i) {
-          this.iconMap[name] = {
-            offsetx: ox,
-            offsety: oy
-          }
-          if (ox + this.iconsize < this.width) {
-            ox += this.iconsize;
-          } else {
-            ox = this.offsetx;
-            oy += this.iconsize;
+    /**
+     * `Polymer.ThemeAware` is a helper class that can be used to mixin basic
+     * theme-aware capability to an element which cannot extend from 
+     * `core-theme-aware` because it extends from another element.
+     * The `Platform.mixin` method can be used to mixin theme aware capability
+     * into an element's prototype. Here's an example:
+     * 
+     *     Polymer('my-element', Platform.mixin({
+     *
+     *       // my-element's properties and methods
+     *       foo: 'foo',
+     *
+     *       // be sure to call the validateTheme method in the attached method
+     *       // to initialize the theme.
+     *       attached: function() {
+     *         this.validateTheme();
+     *       }
+     *
+     *     }, Polymer.ThemeAware));
+     *
+     * @class Polymer.ThemeAware
+     */
+    Polymer.ThemeAware = {
+
+      /**
+       * When no theme is specified, the value `defaultTheme` will be applied
+       * as the theme class.
+       * This is not typically intended for a user to set but is 
+       * useful in an element that extends `core-theme-aware`.
+       * 
+       * @attribute defaultTheme
+       * @type string
+       * @default ''
+       */
+      defaultTheme: '',
+
+      // TODO(sorvell): activeTheme exists so that we do not always serialize
+      // the theme property. This could be addressed instead via the serialize
+      // block (tbd) like this: serialize: {theme: false}. One issue with this
+      // approach, however, is that if Platform.mixin is used to supply 
+      // Polymer.ThemeAware, it will overwrite the existing serialize block.
+      // Perhaps Platform.mixin should also mixin sub-objects?
+      
+      /**
+       * The `activeTheme` property stores the current theme. When the activeTheme
+       * changes, the element's theme class is updated. An element can 
+       * implement the `activeThemeChanged` method to do processing when the
+       * theme changes.
+       *
+       * This is not typically intended for a user to set but is 
+       * useful in an element that extends `core-theme-aware`.
+       * 
+       * @attribute activeTheme
+       * @type string
+       * @default ''
+       */
+      activeTheme: '',
+
+      /**
+       * The theme set by the user of the theme-aware element. The `theme`
+       * property will only be set if the user has specifically given the
+       * theme-aware element a theme attribute.
+       *
+       * @attribute theme
+       * @type string
+       * @default ''
+       */
+      theme: '',
+
+      /**
+       * 
+       *
+       * @method validateTheme
+       */
+      validateTheme: function() {
+        var theme = this.theme;
+        var defaultTheme = this.defaultTheme;
+        if (!theme) {
+          var p = this;
+          while (p && !theme) {
+            theme = p.getAttribute && p.getAttribute('theme');
+            defaultTheme = defaultTheme || p.defaultTheme;
+            p = p.parentNode || p.host;
           }
-        }, this);
+        }
+        this.activeTheme = this.theme || theme || defaultTheme;
       },
-      updateThemes: function() {
-        this.themes = {};
-        var ts = this.querySelectorAll('property[theme]');
-        ts && ts.array().forEach(function(t) {
-          this.themes[t.getAttribute('theme')] = {
-            offsetx: parseInt(t.getAttribute('offsetx')) || 0,
-            offsety: parseInt(t.getAttribute('offsety')) || 0
-          };
-        }, this);
+
+      themeChanged: function() {
+        this.activeTheme = this.theme;
       },
-      // TODO(ffu): support retrived by index e.g. getOffset(10);
-      getOffset: function(icon, theme) {
-        var i = this.iconMap[icon];
-        var t = this.themes[theme];
-        if (i && t) {
-          return {
-            offsetx: i.offsetx + t.offsetx,
-            offsety: i.offsety + t.offsety
-          }
-        }
-        return i;
+
+      activeThemeChanged: function(old) {
+        this.classList.switch(old, this.activeTheme);
       }
-    });
-  </script>
-</polymer-element>
-<!--
-Copyright 2013 The Polymer Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
--->
+      
+    };
 
-<polymer-ui-iconset id="polymer-ui-icons" src="../polymer-ui-action-icons/action-icons.png" width="24" iconsize="24" icons="drawer menu search dropdown close add trash refresh settings dialoga 
-           left right down up grid contact account plus time marker 
-           briefcase array columns list modules quilt stream maximize shrink sort 
-           shortcut dialog twitter facebook favorite gplus filter tag plusone dots">
+    Polymer('core-theme-aware', Platform.mixin({
 
-  <property theme="polymer-ui-light-theme" offsetx="24"></property>
-  <property theme="polymer-ui-dark-theme" offsetx="72"></property>
-</polymer-ui-iconset>
+      attached: function() {
+        this.validateTheme();
+      }
+
+    }, Polymer.ThemeAware));
+
+  </script>
+
+</polymer-element>
+
 <!--
-Copyright 2013 The Polymer Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
 -->
 
 <!--
-/**
-* Polymer UI Elements
-*
-* @module Polymer UI Elements
-*/  
-/**
- * polymer-ui-icon is a 24x24 glyph expressed as a background-image.
- *
- * Example:
- *
- *     <polymer-ui-icon src="star.png"></polymer-ui-icon>
- *
- * Optionally can use other size like 32x32 by setting the attribute "size" to "32":
- *
- *     <polymer-ui-icon src="big_star.png" size="32"></polymer-ui-icon>
- *
- * Polymer includes an icon set.  The property "icon" can be used
- * to specify which icon to use.
- *
- * Example:
- *
- *     <polymer-ui-icon icon="menu"></polymer-ui-icon>
- *
- * See <a href="polymer-ui-iconset.html">polymer-ui-iconset</a> on how to use
- * your own icon set.
- *
- * @class polymer-ui-icon
- */
+`core-menu` is a theme-aware selector.
+
+    <core-menu selected="0">
+      <core-item icon="settings" label="Settings"></core-item>
+      <core-item icon="dialog" label="Dialog"></core-item>
+      <core-item icon="search" label="Search"></core-item>
+    </core-menu>
+
+The `selectedItem` property references the selected item.
+
+    <core-menu selected="0" selectedItem="{{item}}">
+      <core-item icon="settings" label="Settings"></core-item>
+      <core-item icon="dialog" label="Dialog"></core-item>
+      <core-item icon="search" label="Search"></core-item>
+    </core-menu>
+
+    <div>selected label: {{item.label}}</div>
+
+The `core-select` event signals selection change.
+
+    <core-menu selected="0" on-core-select="{{selectAction}}">
+      <core-item icon="settings" label="Settings"></core-item>
+      <core-item icon="dialog" label="Dialog"></core-item>
+      <core-item icon="search" label="Search"></core-item>
+    </core-menu>
+
+    ...
+
+    selectAction: function(e, detail) {
+      if (detail.isSelected) {
+        var selectedItem = detail.item;
+        ...
+      }
+    }
+
+@group Polymer Core Elements
+@element core-menu
+@extends core-selector
 -->
 
 
 
 
+<polymer-element name="core-menu" extends="core-selector" attributes="theme" on-core-select="{{selectionChange}}" assetpath="../core-menu/">
+<template>
 
-<polymer-element name="polymer-ui-icon" extends="polymer-ui-theme-aware" attributes="src size index icon" assetpath="../polymer-ui-icon/">
-  <template>
-    <style>/*
-Copyright 2013 The Polymer Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
+  <style>/*
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
 */
 
 :host {
-  display: inline-block;
-  vertical-align: middle;
-  cursor: pointer;
-  background-repeat: no-repeat;
+  display: block;
+  box-sizing: border-box;
+  -moz-box-sizing: border-box;
+  padding: 0.4em;
+  font-weight: bold;
+}
+
+:host(.core-light-theme) {
+  color: #333333;
+}
+
+:host(.core-dark-theme) {
+  background: -webkit-linear-gradient(-60deg, #3d3d3d, #353535);
+  background: -moz-linear-gradient(-60deg, #3d3d3d, #353535);
+  background: -ms-linear-gradient(-60deg, #3d3d3d, #353535);
+  color: #ededed;
 }
 </style>
-    <polymer-ui-iconset id="meta"></polymer-ui-iconset>
-    <content></content>
-  </template>
-  <script>
-    Polymer('polymer-ui-icon', {
-      /**
-       * The URL of an image for the icon.
-       *
-       * @attribute src
-       * @type string
-       * @default ''
-       */
-      src: '',
-      /**
-       * Specifies the size of the icon.
-       *
-       * @attribute size
-       * @type string
-       * @default 24
-       */
-      size: 24,
-      /**
-       * Specifies the icon from the icon set.
-       *
-       * @attribute icon
-       * @type string
-       * @default ''
-       */
-      icon: '',
-      defaultIconset: 'polymer-ui-icons',
-      observe: {
-        icon: 'updateIcon',
-        activeTheme: 'updateIcon'
-      },
-      ready: function() {
-        this.sizeChanged();
-      },
-      sizeChanged: function() {
-        this.style.width = this.style.height = this.size + 'px';
-      },
-      srcChanged: function() {
-        this.style.backgroundImage = 'url(' + this.src + ')';
-        this.style.backgroundPosition = 'center';
-        this.style.backgroundSize = this.size + 'px ' + this.size + 'px';
-      },
-      getIconset: function(name) {
-        return this.$.meta.byId(name || this.defaultIconset);
-      },
-      updateIcon: function() {
-        if (!this.icon) {
-          return;
-        }
-        var a = this.icon.split(':');
-        var icon = a.pop();
-        var n = a.pop();
-        var s = this.getIconset(n);
-        if (s) {
-          var o = s.getOffset(icon, this.activeTheme);
-          if (o) {
-            var r = this.size / s.iconsize;
-            this.style.backgroundImage = 'url(' + s.src + ')';
-            this.style.backgroundPosition = 
-                (-o.offsetx * r + 'px') + ' ' + (-o.offsety * r + 'px');
-            this.style.backgroundSize = r === 1 ? 'auto' : s.width * r + 'px';
-          }
+  <shadow></shadow>
+
+</template>
+<script>
+
+  Polymer('core-menu', Platform.mixin({
+
+    attached: function() {
+      this.validateTheme();
+    },
+
+    selectionChange: function(e, detail) {
+      if (detail.isSelected) {
+        var item = detail.item;
+        while (item.selectedItem) {
+          item = item.selectedItem;
         }
+        this.selectedItem = item;
       }
-    });
-  </script>
+    }
+
+  }, Polymer.ThemeAware));
+
+</script>
 </polymer-element>
 
 <!--
-Copyright 2013 The Toolkitchen Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
 -->
 <!--
 /**
- * @module Polymer UI Elements
- */
-/**
- * polymer-ui-menu-item is styled to look like a menu item.  It should be used
- * in conjunction with polymer-ui-menu or polymer-ui-sibebar-menu.
- *
- * Example:
+ * @group Polymer Core Elements
  *
- *     <polymer-ui-menu-item icon="settings" label="Settings"></polymer-ui-menu-item>
+ * `core-meta` provides a method of constructing a self-organizing database.
+ * It is useful to collate element meta-data for things like catalogs and for 
+ * designer.
  *
- * @class polymer-ui-menu-item
- */
-/**
- * The URL of an image for the icon.
+ * Example, an element folder has a `metadata.html` file in it, that contains a 
+ * `core-meta`, something like this:
  *
- * @attribute src
- * @type string
- * @default ''
- */
-/**
- * Specifies the icon from the Polymer icon set.
+ *     <core-meta id="my-element" label="My Element">
+ *       <property name="color" value="blue"></property>
+ *     </core-meta>
  *
- * @attribute icon
- * @type string
- * @default ''
- */
-/**
- * Specifies the label for the menu item.
+ * An application can import as many of these files as it wants, and then use 
+ * `core-meta` again to access the collected data.
  *
- * @attribute label
- * @type string
- * @default ''
- */
-/**
- * Specifies the URL of the link it goes to when tapped on.
+ *     <script>
+ *       var meta = document.createElement('core-meta');
+ *       console.log(meta.list); // dump a list of all meta-data elements that have been created
+ *     </script>
  *
- * Example:
+ * Use `byId(id)` to retrive a specific core-meta.
  *
- *     <polymer-ui-menu-item icon="favorite" label="Favorite" href="http://www.polymer-project.org/"></polymer-ui-menu-item>
+ *     <script>
+ *       var meta = document.createElement('core-meta');
+ *       console.log(meta.byId('my-element'));
+ *     </script>
  *
- * If you want more control on the link, e.g. specify the target for where to
- * open the linked document, you can put &lt;a> directly inside the menu-item.
+ * By default all meta-data are stored in a single databse.  If your meta-data 
+ * have different types and want them to be stored separately, use `type` to 
+ * differentiate them.
  *
  * Example:
  *
- *     <polymer-ui-menu-item icon="favorite" label="Favorite">
- *       <a href="http://www.polymer-project.org/" target="_self"></a>
- *     </polymer-ui-menu-item>
+ *     <core-meta id="x-foo" type="xElt"></core-meta>
+ *     <core-meta id="x-bar" type="xElt"></core-meta>
+ *     <core-meta id="y-bar" type="yElt"></core-meta>
+ *
+ *     <script>
+ *       var meta = document.createElement('core-meta');
+ *       meta.type = 'xElt';
+ *       console.log(meta.list);
+ *     </script>
  *
- * @attribute href
- * @type string
- * @default ''
+ * @element core-meta
+ * @homepage github.io
  */
 -->
 
 
 
+<polymer-element name="core-meta" attributes="list label type" assetpath="../core-meta/">
 
-<polymer-element name="polymer-ui-menu-item" extends="polymer-ui-theme-aware" attributes="src label icon item href" assetpath="../polymer-ui-menu-item/">
-  <template>
-    <style>/*
-Copyright 2013 The Toolkitchen Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
-*/
-
-:host { 
-  display: block;
-  position: relative;
-  box-sizing: border-box;
-  -moz-box-sizing: border-box;
-  height: 40px;
-  line-height: 35px;
-  font-size: 16px;
-  padding: 0 10px;
-  border: 1px solid transparent;
-  border-radius: 3px;
-  white-space: nowrap;
-  cursor: pointer;
-  opacity: 0.5;
-}
-
-:host(:hover:host) {
-  opacity: 0.9;
-}
-
-:host(.polymer-selected:host, [active]:host) {
-  opacity: 1;
-}
-
-:host(.polymer-ui-light-theme.polymer-selected:host, .polymer-ui-light-theme[active]:host) {
-  background: #f2f2f2;
-  border: 1px solid rgba(0, 0, 0, 0.15);
-}
-
-:host(.polymer-ui-dark-theme:host) {
-  color: #b3b3b3;
-}
-	
-:host(.polymer-ui-dark-theme:hover:host) {
-  color: rgba(255, 255, 255, 0.9);
-}
-
-:host(.polymer-ui-dark-theme.polymer-selected:host, .polymer-ui-dark-theme[active]:host) {
-  background-color: #000;
-  border: 1px solid rgba(255, 255, 255, 0.2);
-  color: rgba(255, 255, 255, 0.9);
-}
-
-:host([active].no-active-bg:host) {
-  background-color: transparent;
-  border: 1px solid transparent;
-}
-
-/* icon and label */
-polymer-ui-icon:not([showing]) {
-  display: none !important;
-}
-
-polymer-ui-icon {
-  margin-right: 16px;
-}
-
-#label {
-  vertical-align: middle;
-  padding-right: 20px;
-}
-
-/*@polyfill :host #label > a, #link */
-content /content/ a, #link {
-  position: absolute;
-  top: 0;
-  right: 0;
-  bottom: 0;
-  left: 0;
-  margin: -1px;
-}
-
-#link[hidden] {
-  display: none;
-}
-</style>
-    <polymer-ui-icon src="{{src}}" icon="{{icon}}" showing?="{{icon || src}}"></polymer-ui-icon>
-    <span id="label">{{label}}<content></content></span>
-    <a id="link" href="{{href}}" hidden?="{{!href}}"></a>
-  </template>
   <script>
-    Polymer('polymer-ui-menu-item', {
-      label: '',
-      // calc item's offset middle pos instead of using offsetTop/Height 
-      // directly which requires to wait for submenu's collapsing transition to 
-      // complete first before it can return the correct pos.
-      getOffsetMiddle: function() {
-        var p = this.parentNode;
-        if (p) {
-          var i = Array.prototype.indexOf.call(p.items, this);
-          var h = this.getItemHeight();
-          return i * h + h/2 + p.items[0].offsetTop;
+  
+    (function() {
+      
+      var SKIP_ID = 'meta';
+      var metaData = {}, metaArray = {};
+
+      Polymer('core-meta', {
+        
+        /**
+         * The type of meta-data.  All meta-data with the same type with be
+         * stored together.
+         * 
+         * @attribute type
+         * @type string
+         * @default 'default'
+         */
+        type: 'default',
+        
+        alwaysPrepare: true,
+        
+        ready: function() {
+          this.idChanged();
+        },
+        
+        get metaArray() {
+          var t = this.type;
+          if (!metaArray[t]) {
+            metaArray[t] = [];
+          }
+          return metaArray[t];
+        },
+        
+        get metaData() {
+          var t = this.type;
+          if (!metaData[t]) {
+            metaData[t] = {};
+          }
+          return metaData[t];
+        },
+        
+        idChanged: function(old) {
+          if (this.id && this.id !== SKIP_ID) {
+            this.unregister(this, old);
+            this.metaData[this.id] = this;
+            this.metaArray.push(this);
+          }
+        },
+        
+        unregister: function(meta, id) {
+          delete this.metaData[id || meta.id];
+          var i = this.metaArray.indexOf(meta);
+          if (i >= 0) {
+            this.metaArray.splice(i, 1);
+          }
+        },
+        
+        /**
+         * Returns a list of all meta-data elements with the same type.
+         * 
+         * @attribute list
+         * @type array
+         * @default []
+         */
+        get list() {
+          return this.metaArray;
+        },
+        
+        /**
+         * Retrieves meta-data by ID.
+         *
+         * @method byId
+         * @param {String} id The ID of the meta-data to be returned.
+         * @returns Returns meta-data.
+         */
+        byId: function(id) {
+          return this.metaData[id];
         }
-      },
-      getItemHeight: function() {
-        return this.offsetHeight;
-      }
-    });
+        
+      });
+      
+    })();
+    
   </script>
+  
 </polymer-element>
 
 <!--
-Copyright 2013 The Polymer Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
 -->
+
 <!--
 /**
- * @module Polymer Elements
- */
-/**
- * polymer-collapse is used to add collapsible behavior to the
- * target element.  It adjusts the height or width of the target element
- * to make the element collapse and expand.
+ * @group Polymer Core Elements
+ *
+ * The `core-iconset` element allows users to define their own icon sets. 
+ * The `src` property specifies the url of the icon image. Multiple icons may
+ * be included in this image and they may be organized into rows.
+ * The `icons` property is a space separated list of names corresponding to the
+ * icons. The names must be ordered as the icons are ordered in the icon image.
+ * Icons are expected to be square and are the size specified by the `iconSize`
+ * property. The `width` property corresponds to the width of the icon image 
+ * and must be specified if icons are arranged into multiple rows in the image.
+ *
+ * All `core-iconset` elements are available for use by other `core-iconset`
+ * elements via a database keyed by id. Typically, an element author that wants
+ * to support a set of custom icons uses a `core-iconset` to retrieve 
+ * and use another, user-defined iconset.
  *
  * Example:
  *
- *     <button on-click="{{toggle}}">toggle collapse</button>
- *     <div id="demo">
- *       ...
- *     </div>
- *     <polymer-collapse id="collapse" targetId="demo"></polymer-collapse>
+ *     <core-iconset id="my-icons" src="my-icons.png" width="96" iconSize="24"
+ *         icons="location place starta stopb bus car train walk">
+ *     </core-iconset>
  *
- *     ...
+ * This will automatically register the icon set "my-icons" to the iconset
+ * database.  To use these icons from within another element, make a 
+ * `core-iconset` element and call the `byId` method to retrieve a
+ * given iconset. To apply a particular icon to an element, use the 
+ * `applyIcon` method. For example:
+ *
+ *     iconset.applyIcon(iconNode, 'car');
+ *
+ * Themed icon sets are also supported. The `core-iconset` can contain child
+ * `property` elements that specify a theme with an offsetX and offsetY of the
+ * theme within the icon resource. For example.
+ *
+ *     <core-iconset id="my-icons" src="my-icons.png" width="96" iconSize="24"
+ *         icons="location place starta stopb bus car train walk">
+ *       <property theme="special" offsetX="256" offsetY="24"></property>
+ *     </core-iconset>
  *
- *     toggle: function() {
- *       this.$.collapse.toggle();
- *     }
+ * Then a themed icon can be applied like this:
  *
- * @class polymer-collapse
+ *     iconset.applyIcon(iconNode, 'car', 'special');
+ *
+ * @element core-iconset
+ * @homepage github.io
  */
 -->
 
 
-<polymer-element name="polymer-collapse" attributes="targetId target horizontal closed duration fixedSize size" assetpath="../polymer-collapse/">
-  <template>
-    <style polymer-scope="controller">/*
-Copyright 2013 The Polymer Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
-*/
-.polymer-collapse-closed {
-  display: none;
-}</style>
-    <style>/*
-Copyright 2013 The Polymer Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
-*/
-.polymer-collapse-closed {
-  display: none;
-}</style>
-    <style>
-      :host {
-        display: none;
-      }
-    </style>
-  </template>
+
+<polymer-element name="core-iconset" extends="core-meta" attributes="src width icons iconSize" assetpath="../core-iconset/">
+  
   <script>
-    Polymer('polymer-collapse', {
+  
+    Polymer('core-iconset', {
+  
       /**
-       * The id of the target element.
+       * The URL of the iconset image.
        *
-       * @attribute targetId
+       * @attribute src
        * @type string
        * @default ''
        */
-      targetId: '',
+      src: '',
+
       /**
-       * The target element.
+       * The width of the iconset image. This must only be specified if the
+       * icons are arranged into separate rows inside the image.
        *
-       * @attribute target
-       * @type object
-       * @default null
+       * @attribute width
+       * @type string
+       * @default ''
        */
-      target: null,
+      width: 0,
+
       /**
-       * If true, the orientation is horizontal; otherwise is vertical.
+       * A space separated list of names corresponding to icons in the iconset
+       * image file. This list must be ordered the same as the icon images
+       * in the image file.
        *
-       * @attribute horizontal
-       * @type boolean
-       * @default false
+       * @attribute icons
+       * @type string
+       * @default ''
        */
-      horizontal: false,
+      icons: '',
+
       /**
-       * If true, the target element is hidden/collapsed.
+       * The size of an individual icon. Note that icons must be square.
        *
-       * @attribute closed
-       * @type boolean
-       * @default false
+       * @attribute iconSize
+       * @type number
+       * @default 24
        */
-      closed: false,
+      iconSize: 24,
+
       /**
-       * Collapsing/expanding animation duration in second.
+       * The horizontal offset of the icon images in the inconset src image.
+       * This is typically used if the image resource contains additional images
+       * beside those intended for the iconset.
        *
-       * @attribute duration
+       * @attribute offsetX
        * @type number
-       * @default 0.33
+       * @default 0
        */
-      duration: 0.33,
+      offsetX: 0,
       /**
-       * If true, the size of the target element is fixed and is set
-       * on the element.  Otherwise it will try to 
-       * use auto to determine the natural size to use
-       * for collapsing/expanding.
+       * The vertical offset of the icon images in the inconset src image.
+       * This is typically used if the image resource contains additional images
+       * beside those intended for the iconset.
        *
-       * @attribute fixedSize
-       * @type boolean
-       * @default false
+       * @attribute offsetY
+       * @type number
+       * @default 0
        */
-      fixedSize: false,
-      size: null,
-      attached: function() {
-        this.installControllerStyles();
-        this.async(function() {
-          this.afterInitialUpdate = true;
-        });
-      },
-      detached: function() {
-        if (this.target) {
-          this.removeListeners(this.target);
-        }
-      },
-      targetIdChanged: function() {
-        var p = this.parentNode;
-        while (p.parentNode) {
-          p = p.parentNode;
-        }
-        this.target = p.querySelector('#' + this.targetId);
+      offsetY: 0,
+      type: 'iconset',
+
+      created: function() {
+        this.iconMap = {};
+        this.iconNames = [];
+        this.themes = {};
       },
-      targetChanged: function(old) {
-        if (old) {
-          this.removeListeners(old);
-        }
-        this.horizontalChanged();
-        this.isTargetReady = !!this.target;
-        if (this.target) {
-          this.target.style.overflow = 'hidden';
-          this.addListeners(this.target);
-          // set polymer-collapse-closed class initially to hide the target
-          this.toggleClosedClass(true);
-        }
-        // don't need to update if the size is already set and it's opened
-        if (!this.fixedSize || !this.closed) {
-          this.update();
+  
+      ready: function() {
+        // TODO(sorvell): ensure iconset's src is always relative to the main
+        // document
+        if (this.src && (this.ownerDocument !== document)) {
+          this.src = this.resolvePath(this.src, this.ownerDocument.baseURI);
         }
+        this.super();
+        this.updateThemes();
       },
-      addListeners: function(node) {
-        this.transitionEndListener = this.transitionEndListener || 
-            this.transitionEnd.bind(this);
-        node.addEventListener('webkitTransitionEnd', this.transitionEndListener);
-        node.addEventListener('transitionend', this.transitionEndListener);
-      },
-      removeListeners: function(node) {
-        node.removeEventListener('webkitTransitionEnd', this.transitionEndListener);
-        node.removeEventListener('transitionend', this.transitionEndListener);
-      },
-      horizontalChanged: function() {
-        this.dimension = this.horizontal ? 'width' : 'height';
+
+      iconsChanged: function() {
+        var ox = this.offsetX;
+        var oy = this.offsetY;
+        this.icons && this.icons.split(/\s+/g).forEach(function(name, i) {
+          this.iconNames.push(name);
+          this.iconMap[name] = {
+            offsetX: ox,
+            offsetY: oy
+          }
+          if (ox + this.iconSize < this.width) {
+            ox += this.iconSize;
+          } else {
+            ox = this.offsetX;
+            oy += this.iconSize;
+          }
+        }, this);
       },
-      closedChanged: function() {
-        this.update();
+
+      updateThemes: function() {
+        var ts = this.querySelectorAll('property[theme]');
+        ts && ts.array().forEach(function(t) {
+          this.themes[t.getAttribute('theme')] = {
+            offsetX: parseInt(t.getAttribute('offsetX')) || 0,
+            offsetY: parseInt(t.getAttribute('offsetY')) || 0
+          };
+        }, this);
       },
-      /** 
-       * Toggle the closed state of the collapsible.
+
+      // TODO(ffu): support retrived by index e.g. getOffset(10);
+      /**
+       * Returns an object containing `offsetX` and `offsetY` properties which
+       * specify the pixel locaion in the iconset's src file for the given
+       * `icon` and `theme`. It's uncommon to call this method. It is useful,
+       * for example, to manually position a css backgroundImage to the proper
+       * offset. It's more common to use the `applyIcon` method.
        *
-       * @method toggle
+       * @method getOffset
+       * @param {String|Number} icon The name of the icon or the index of the
+       * icon within in the icon image.
+       * @param {String} theme The name of the theme.
+       * @returns {Object} An object specifying the offset of the given icon 
+       * within the icon resource file; `offsetX` is the horizontal offset and
+       * `offsetY` is the vertical offset. Both values are in pixel units.
        */
-      toggle: function() {
-        this.closed = !this.closed;
-      },
-      setTransitionDuration: function(duration) {
-        var s = this.target.style;
-        s.webkitTransition = s.transition = duration ? 
-            (this.dimension + ' ' + duration + 's') : null;
-        if (duration === 0) {
-          this.async('transitionEnd');
-        }
-      },
-      transitionEnd: function() {
-        if (!this.closed && !this.fixedSize) {
-          this.updateSize('auto', null);
-        }
-        this.setTransitionDuration(null);
-        this.toggleClosedClass(this.closed);
-      },
-      toggleClosedClass: function(add) {
-        this.hasClosedClass = add;
-        this.target.classList.toggle('polymer-collapse-closed', add);
-      },
-      updateSize: function(size, duration, forceEnd) {
-        if (duration) {
-          this.calcSize();
-        }
-        this.setTransitionDuration(duration);
-        var s = this.target.style;
-        var nochange = s[this.dimension] === size;
-        s[this.dimension] = size;
-        // transitonEnd will not be called if the size has not changed
-        if (forceEnd && nochange) {
-          this.transitionEnd();
-        }
-      },
-      update: function() {
-        if (!this.target) {
-          return;
-        }
-        if (!this.isTargetReady) {
-          this.targetChanged(); 
-        }
-        this.horizontalChanged();
-        this[this.closed ? 'hide' : 'show']();
-      },
-      calcSize: function() {
-        return this.target.getBoundingClientRect()[this.dimension] + 'px';
-      },
-      getComputedSize: function() {
-        return getComputedStyle(this.target)[this.dimension];
-      },
-      show: function() {
-        this.toggleClosedClass(false);
-        // for initial update, skip the expanding animation to optimize
-        // performance e.g. skip calcSize
-        if (!this.afterInitialUpdate) {
-          this.transitionEnd();
-          return;
+      getOffset: function(icon, theme) {
+        var i = this.iconMap[icon];
+        if (!i) {
+          var n = this.iconNames[Number(icon)];
+          i = this.iconMap[n];
         }
-        if (!this.fixedSize) {
-          this.updateSize('auto', null);
-          var s = this.calcSize();
-          this.updateSize(0, null);
+        var t = this.themes[theme];
+        if (i && t) {
+          return {
+            offsetX: i.offsetX + t.offsetX,
+            offsetY: i.offsetY + t.offsetY
+          }
         }
-        this.async(function() {
-          this.updateSize(this.size || s, this.duration, true);
-        });
+        return i;
       },
-      hide: function() {
-        // don't need to do anything if it's already hidden
-        if (this.hasClosedClass && !this.fixedSize) {
-          return;
-        }
-        if (this.fixedSize) {
-          // save the size before hiding it
-          this.size = this.getComputedSize();
-        } else {
-          this.updateSize(this.calcSize(), null);
-        }
-        this.async(function() {
-          this.updateSize(0, this.duration);
-        });
+
+      /**
+       * Applies an icon to the given element as a css background image. This
+       * method does not size the element, and it's often necessary to set 
+       * the element's height and width so that the background image is visible.
+       *
+       * @method applyIcon
+       * @param {Element} element The element to which the background is
+       * applied.
+       * @param {String|Number} icon The name or index of the icon to apply.
+       * @param {String} theme (optional) The name of the theme for the icon.
+       * @param {Number} scale (optional, defaults to 1) A scaling factor 
+       * with which the icon can be magnified.
+       */
+      applyIcon: function(element, icon, theme, scale) {
+         var offset = this.getOffset(icon, theme);
+         scale = scale || 1;
+         if (element && offset) {
+           element.style.backgroundImage = 'url(' + this.src + ')';
+           element.style.backgroundPosition = (-offset.offsetX * scale + 'px') + 
+              ' ' + (-offset.offsetY * scale + 'px');
+           element.style.backgroundSize = scale === 1 ? 'auto' :
+              this.width * scale + 'px';
+         }
       }
+
     });
+
   </script>
+
 </polymer-element>
 
 <!--
-Copyright 2013 The Toolkitchen Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
 -->
+
+<core-iconset id="core-icons" src="../core-action-icons/action-icons.png" width="24" iconsize="24" icons="drawer menu search dropdown close add trash refresh settings dialoga 
+           left right down up grid contact account plus time marker 
+           briefcase array columns list modules quilt stream maximize shrink sort 
+           shortcut dialog twitter facebook favorite gplus filter tag plusone dots">
+
+  <property theme="core-light-theme" offsetx="24"></property>
+  <property theme="core-dark-theme" offsetx="72"></property>
+</core-iconset>
+
 <!--
-/**
- * @module Polymer UI Elements
- */
-/**
- * polymer-ui-submenu-item is a menu-item that can contains other menu-items.
- * It should be used in conjunction with polymer-ui-menu or 
- * polymer-ui-sibebar-menu.
- *
- * Example:
- *
- *     <polymer-ui-menu selected="0">
- *       <polymer-ui-submenu-item icon="settings" label="Topics">
- *         <polymer-ui-menu-item label="Topics 1"></polymer-ui-menu-item>
- *         <polymer-ui-menu-item label="Topics 2"></polymer-ui-menu-item>
- *       </polymer-ui-submenu-item>
- *       <polymer-ui-submenu-item icon="settings" label="Favorites">
- *         <polymer-ui-menu-item label="Favorites 1"></polymer-ui-menu-item>
- *         <polymer-ui-menu-item label="Favorites 2"></polymer-ui-menu-item>
- *         <polymer-ui-menu-item label="Favorites 3"></polymer-ui-menu-item>
- *       </polymer-ui-submenu-item>
- *     </polymer-ui-menu>
- *
- * @class polymer-ui-submenu-item
- * @extends polymer-ui-menu-item
- */
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
 -->
+<!--
 
+The `core-icon` element displays an icon using CSS background image. By default an icon renders as 24px square.
+
+Example using src:
+
+    <core-icon src="star.png"></core-icon>
+
+Example setting size to 32px x 32px:
+
+    <core-icon src="big_star.png" size="32"></core-icon>
+
+Example using icon from default iconset:
+
+    <core-icon icon="menu"></core-icon>
+
+Example using icon `cherry` from custom iconset `fruit`:
+
+    <core-icon icon="fruit:cherry"></core-icon>
+
+See <a href="#core-iconset">core-iconset</a> for more information about 
+how to use a custom iconset.
+
+The default set of includes these icons:
+
+<div theme="core-light-theme">
+  <core-icon icon="drawer"></core-icon> drawer,
+  <core-icon icon="menu"></core-icon> menu,
+  <core-icon icon="search"></core-icon> search,
+  <core-icon icon="dropdown"></core-icon> dropdown,
+  <core-icon icon="close"></core-icon> close,
+  <core-icon icon="add"></core-icon> add,
+  <core-icon icon="trash"></core-icon> trash,
+  <core-icon icon="refresh"></core-icon> refresh,
+  <core-icon icon="settings"></core-icon> settings,
+  <core-icon icon="dialoga"></core-icon> dialoga,
+  <core-icon icon="left"></core-icon> left,
+  <core-icon icon="right"></core-icon> right,
+  <core-icon icon="down"></core-icon> down,
+  <core-icon icon="up"></core-icon> up,
+  <core-icon icon="grid"></core-icon> grid,
+  <core-icon icon="contact"></core-icon> contact,
+  <core-icon icon="account"></core-icon> account,
+  <core-icon icon="plus"></core-icon> plus,
+  <core-icon icon="time"></core-icon> time,
+  <core-icon icon="marker"></core-icon> marker,
+  <core-icon icon="briefcase"></core-icon> briefcase,
+  <core-icon icon="array"></core-icon> array,
+  <core-icon icon="columns"></core-icon> columns,
+  <core-icon icon="list"></core-icon> list,
+  <core-icon icon="modules"></core-icon> modules,
+  <core-icon icon="quilt"></core-icon> quilt,
+  <core-icon icon="stream"></core-icon> stream,
+  <core-icon icon="maximize"></core-icon> maximize,
+  <core-icon icon="shrink"></core-icon> shrink,
+  <core-icon icon="sort"></core-icon> sort,
+  <core-icon icon="shortcut"></core-icon> shortcut,
+  <core-icon icon="dialog"></core-icon> dialog,
+  <core-icon icon="twitter"></core-icon> twitter,
+  <core-icon icon="facebook"></core-icon> facebook,
+  <core-icon icon="favorite"></core-icon> favorite,
+  <core-icon icon="gplus"></core-icon> gplus,
+  <core-icon icon="filter"></core-icon> filter,
+  <core-icon icon="tag"></core-icon> tag,
+  <core-icon icon="plusone"></core-icon> plusone,
+  <core-icon icon="dots"></core-icon> dots,
+</div>
 
+@group Polymer Core Elements
+@element core-icon
+@homepage github.io
+-->
 
 
 
 
-<polymer-element name="polymer-ui-submenu-item" extends="polymer-ui-menu-item" attributes="active selected selectedItem" assetpath="../polymer-ui-submenu-item/">
-  <template>
-    <style>/*
-Copyright 2013 The Toolkitchen Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
-*/
 
-:host { 
-  display: block;
-}
+<polymer-element name="core-icon" extends="core-theme-aware" attributes="src size icon" assetpath="../core-icon/">
 
-/* menu */
-#menu {
-  margin-left: 44px;
-  height: 0;
-  /* override :host style on polymer-ui-menu */
-  background-image: none !important;
-  padding: 0 !important;
-}
-</style>
-    <polymer-ui-menu-item id="item" src="{{src}}" label="{{label}}" icon="{{icon}}" active?="{{active}}" on-tap="{{activate}}">
-      <content select=".item-content"></content>
-    </polymer-ui-menu-item>
-    <polymer-ui-menu id="menu" selected="{{selected}}" selecteditem="{{selectedItem}}">
-      <content></content>
-    </polymer-ui-menu>
-    <polymer-collapse targetid="menu" closed="{{collapsed}}"></polymer-collapse>
-  </template>
-  <script>
-    Polymer('polymer-ui-submenu-item', {
-      active: false,
-      collapsed: true,
-      get items() {
-        return this.$.menu.items;
-      },
-      hasItems: function() {
-        return !!this.items.length;
-      },
-      unselectAllItems: function() {
-        this.$.menu.selected = null;
-        this.$.menu.clearSelection();
-      },
-      activeChanged: function() {
-        if (this.hasItems()) {
-          this.collapsed = !this.active;
-        }
-        if (!this.active) {
-          this.unselectAllItems();
-        }
-        this.$.item.classList.toggle('no-active-bg', this.hasItems());
-      },
-      activate: function() {
-        if (this.hasItems() && this.active) {
-          this.collapsed = !this.collapsed;
-          this.unselectAllItems();
-          this.fire("polymer-select", {isSelected: true, item: this});
-        }
-      },
-      getItemHeight: function() {
-        return this.$ && this.$.item && this.$.item.offsetHeight;
-      }
-    });
-  </script>
-</polymer-element>
-
-<!--
-Copyright 2013 The Polymer Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
--->
-<!--
-/**
- * @module Polymer Elements
- */
-/**
- * polymer-media-query can be used to data bind to a CSS media query.
- * The "query" property is a bare CSS media query.
- * The "queryMatches" property will be a boolean representing if the page matches that media query.
- *
- * polymer-media-query uses media query listeners to dynamically update the "queryMatches" property.
- * A "polymer-mediachange" event also fires when queryMatches changes.
- *
- * Example:
- *
- *      <polymer-media-query query="max-width: 640px" queryMatches="{{phoneScreen}}"></polymer-media-query>
- *
- * @class polymer-media-query
- */
--->
+  <template>
+
+    <style>/* Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt */
 
+:host {
+  display: inline-block;
+  cursor: pointer;
+  background-repeat: no-repeat;
+}
+</style>
+    <core-iconset id="meta"></core-iconset>
+    <content></content>
 
-<polymer-element name="polymer-media-query" attributes="query queryMatches" assetpath="../polymer-media-query/">
-  <template>
-    <style>
-      :host {
-        display: none;
-      }
-    </style>
   </template>
+
   <script>
 
-    Polymer('polymer-media-query', {
+    Polymer('core-icon', {
+
       /**
-       * The Boolean return value of the media query
-       * @attribute queryMatches
-       * @type Boolean
-       * @default false
+       * The URL of an image for the icon. If the src property is specified,
+       * the icon property should not be.
+       *
+       * @attribute src
+       * @type string
+       * @default ''
+       */
+      src: '',
+
+      /**
+       * Specifies the size of the icon in pixel units.
+       *
+       * @attribute size
+       * @type string
+       * @default 24
        */
-      queryMatches: false,
+      size: 24,
+
       /**
-       * The CSS media query to evaulate
-       * @attribute query
+       * Specifies the icon name or index in the set of icons available in
+       * the icon's icon set. If the icon property is specified,
+       * the src property should not be.
+       *
+       * @attribute icon
        * @type string
        * @default ''
        */
-      query: '',
+      icon: '',
+
+      defaultIconset: 'core-icons',
+
+      observe: {
+        icon: 'updateIcon',
+        activeTheme: 'updateIcon'
+      },
+
       ready: function() {
-        this._mqHandler = this.queryHandler.bind(this);
-        this._mq = null;
+        this.sizeChanged();
+      },
+
+      sizeChanged: function() {
+        this.style.width = this.style.height = this.size + 'px';
+      },
+
+      srcChanged: function() {
+        this.style.backgroundImage = 'url(' + this.src + ')';
+        this.style.backgroundPosition = 'center';
+        this.style.backgroundSize = this.size + 'px ' + this.size + 'px';
+      },
+
+      getIconset: function(name) {
+        return this.$.meta.byId(name || this.defaultIconset);
       },
-      queryChanged: function() {
-        if (this._mq) {
-          this._mq.removeListener(this._mqHandler);
+
+      updateIcon: function() {
+        if (!this.icon) {
+          return;
         }
-        var query = this.query;
-        if (query[0] !== '(') {
-          query = '(' + this.query + ')';
+        var parts = this.icon.split(':');
+        var icon = parts.pop();
+        var set = this.getIconset(parts.pop());
+        if (set) {
+          var scale = this.size / set.iconSize;
+          set.applyIcon(this, icon, this.activeTheme, scale);
         }
-        this._mq = window.matchMedia(query);
-        this._mq.addListener(this._mqHandler);
-        this.queryHandler(this._mq);
-      },
-      queryHandler: function(mq) {
-        this.queryMatches = mq.matches;
-        this.asyncFire('polymer-mediachange', mq);
       }
+
     });
+
   </script>
+
 </polymer-element>
 
 <!--
-Copyright 2013 The Polymer Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
 -->
 
 <!--
-/**
- * @module Polymer UI Elements
- */
-/**
- * polymer-ui-toolbar is a horizontal bar containing elements that can perform actions.
- *
- * Example:
- *
- *     <polymer-ui-toolbar>
- *       <polymer-ui-icon-button src="menu.png" on-click="{{menuAction}}"></polymer-ui-icon-button>
- *       <div flex>Title</div>
- *       <polymer-ui-icon-button src="more.png" on-click="{{moreAction}}"></polymer-ui-icon-button>
- *     </polymer-ui-toolbar>
- *
- * polymer-ui-toolbar can adopt to smaller screen size.  If the attribute "responsive" is set
- * and the screen size is less than the responsiveWidth (default to 800px), the toolbar will
- * be moved to the bottom of the page.
- *
- * Example:
- *
- *     <polymer-ui-toolbar>
- *       <polymer-ui-icon-button icon="menu"></polymer-ui-icon-button>
- *       <div flex>Title</div>
- *       <polymer-ui-toolbar responsive>
- *         <polymer-ui-icon-button icon="add"></polymer-ui-icon-button>
- *         <polymer-ui-icon-button icon="trash"></polymer-ui-icon-button>
- *         <polymer-ui-icon-button icon="search"></polymer-ui-icon-button>
- *       </polymer-ui-toolbar>
- *     </polymer-ui-toolbar>
- *
- * @class polymer-ui-toolbar
- */
-/**
- * Max-width when element becomes responsive. 
- *
- * @attribute responsiveWidth
- * @type string
- * @default '800px'
- */
--->
+@group Polymer Core Elements
 
+core-item is a simple line-item object: a label and/or an icon that can also act as a link.
 
+Example:
 
+     <core-item icon="settings" label="Settings"></core-item>
 
+@element core-item
+-->
 
-<polymer-element name="polymer-ui-toolbar" extends="polymer-ui-theme-aware" attributes="responsiveWidth" assetpath="../polymer-ui-toolbar/">
-  <template>
-    <style>/*
-Copyright 2013 The Polymer Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
+
+
+<polymer-element name="core-item" extends="core-theme-aware" attributes="src label icon item href" assetpath="../core-item/">
+<template>
+
+  <style>/*
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
 */
 
 :host {
-  /* technical */
   display: block;
+  position: relative;
   box-sizing: border-box;
   -moz-box-sizing: border-box;
-  /* border/shadow */
-	border-bottom: 1px solid rgba(0, 0, 0, 0.15);
-	/* size */
-  height: 60px;
-  font-size: 21px;
-	font-family: 'Helvetica Neue Medium', 'HelveticaNeue-Medium', Helvetica, sans-serif;
-	position: relative;
+  height: 40px;
+  line-height: 35px;
+  font-size: 16px;
+  padding: 0 10px;
+  border: 1px solid transparent;
+  border-radius: 3px;
+  white-space: nowrap;
+  cursor: pointer;
+  opacity: 0.5;
 }
 
-:host(.polymer-ui-light-theme:host) {
-  background: #f2f2f2 -webkit-linear-gradient(top, rgba(197,197,197,0), rgba(197,197,197,0.15));
-  background: #f2f2f2 -moz-linear-gradient(top, rgba(197,197,197,0), rgba(197,197,197,0.15));
-  background: #f2f2f2 -ms-linear-gradient(top, rgba(197,197,197,0), rgba(197,197,197,0.15));
-  color: #333333;
+:host(:hover) {
+  opacity: 0.9;
 }
 
-:host(.polymer-ui-dark-theme:host) {
-  background: #444444 none;
-  color: #f3f3f3;
+:host(.core-selected, [active]) {
+  opacity: 1;
 }
-  
-:host(.narrow-layout[responsive]:host) {
-  position: fixed;
-  right: 0;
-  bottom: 0;
-  left: 0;
-  z-index: 1;
-  border: 0;
-  border-top: 1px solid rgba(0, 0, 0, 0.28);
+
+:host(.core-light-theme.core-selected, .core-light-theme[active]) {
+  background: #f2f2f2;
+  border: 1px solid rgba(0, 0, 0, 0.15);
 }
 
-/* TODO(sorvell): use of !important due to inability to 
-  naturally win over an :host style */
-/*@polyfill :host > polymer-ui-icon-button */
-content /content/ polymer-ui-icon-button {
-  margin: 0px 8px 0 8px !important;
+:host(.core-dark-theme) {
+  color: #b3b3b3;
+}
+	
+:host(.core-dark-theme:hover) {
+  color: rgba(255, 255, 255, 0.9);
 }
 
-/*@polyfill :host > polymer-ui-menu-button */
-content /content/ polymer-ui-menu-button {
-  margin: 0px 8px 0 8px !important;
+:host(.core-dark-theme.core-selected, .core-dark-theme[active]) {
+  background-color: #000;
+  border: 1px solid rgba(255, 255, 255, 0.2);
+  color: rgba(255, 255, 255, 0.9);
 }
 
-/*@polyfill :host > polymer-ui-toolbar */
-content /content/ polymer-ui-toolbar {
-  margin: 0;
+:host([active].no-active-bg) {
+  background-color: transparent;
+  border: 1px solid transparent;
+}
+
+/* icon and label */
+
+core-icon:not([showing]) {
+  display: none !important;
+}
+
+core-icon {
+  vertical-align: middle;
+  margin-right: 16px;
+}
+
+#label {
+  vertical-align: middle;
+  padding-right: 20px;
+}
+
+/*@polyfill :host #label > a, #link */
+::content > a, #link {
+  position: absolute;
+  top: 0;
+  right: 0;
+  bottom: 0;
+  left: 0;
+  margin: -1px;
 }
 
-/*@polyfill :host > polymer-ui-toolbar:not(.narrow-layout) */
-content /content/ polymer-ui-toolbar:not(.narrow-layout) {
-  border: 0;
-  background: transparent none;
+#link[hidden] {
+  display: none;
 }
 </style>
-    <polymer-flex-layout align="center"></polymer-flex-layout>
-    <polymer-media-query query="max-width: {{responsiveWidth}}" querymatches="{{queryMatches}}"></polymer-media-query>
-    <content></content>
-  </template>
-  <script>
-    Polymer('polymer-ui-toolbar', {
-      responsiveWidth: '800px',
-      queryMatches: false,
-      defaultTheme: 'polymer-ui-light-theme',
-      queryMatchesChanged: function() {
-        this.classList.toggle('narrow-layout', this.queryMatches);
+
+  <core-icon src="{{src}}" icon="{{icon}}" showing?="{{icon || src}}"></core-icon>
+  <span id="label">{{label}}<content></content></span>
+  <a id="link" href="{{href}}" hidden?="{{!href}}"></a>
+
+</template>
+<script>
+
+  Polymer('core-item', {
+    /**
+      * The URL of an image for the icon.
+      *
+      * @attribute src
+      * @type string
+      * @default ''
+      */
+
+    /**
+      * Specifies the icon from the Polymer icon set.
+      *
+      * @attribute icon
+      * @type string
+      * @default ''
+      */
+
+    /**
+      * Specifies a link target.
+      *
+      * Example:
+      *
+      *     <core-item icon="favorite" label="Favorite" href="http://www.polymer-project.org/"></core-item>
+      *
+      * If you want more control on the link, e.g. specify the target for where to
+      * open the linked document, you can put &lt;a> directly inside the item.
+      *
+      * Example:
+      *
+      *     <core-item icon="favorite" label="Favorite">
+      *       <a href="http://www.polymer-project.org/" target="_self"></a>
+      *     </core-item>
+      *
+      * @attribute href
+      * @type string
+      * @default ''
+      */
+
+    /**
+      * Specifies the label for the menu item.
+      *
+      * @attribute label
+      * @type string
+      * @default ''
+      */
+    label: '',
+
+    // calc item's offset middle pos instead of using offsetTop/Height 
+    // directly which requires to wait for submenu's collapsing transition to 
+    // complete first before it can return the correct pos.
+    getOffsetMiddle: function() {
+      var p = this.parentNode;
+      if (p) {
+        var i = Array.prototype.indexOf.call(p.items, this);
+        var h = this.getItemHeight();
+        return i * h + h/2 + p.items[0].offsetTop;
       }
-    });
-  </script>
+    },
+
+    getItemHeight: function() {
+      return this.offsetHeight;
+    }
+
+  });
+
+</script>
 </polymer-element>
 
 <!--
-Copyright 2013 The Polymer Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE
+The complete set of authors may be found at http://polymer.github.io/AUTHORS
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS
 -->
+
 <!--
-/**
- * @module Polymer UI Elements
- */
-/**
- * polymer-ui-icon-button enables you to place an image centered in a button.
- *
- * Example:
- *
- *     <polymer-ui-icon-button src="star.png"></polymer-ui-icon-button>
- *
- * Polymer includes an icon set.  The property "icon" can be used
- * to specify which icon to use.
- *
- * Example:
- *
- *     <polymer-ui-icon-button icon="menu"></polymer-ui-icon-button>
- *
- * @class polymer-ui-icon-button
- */
+`core-icon-button` is an icon with button behaviors.
+
+    <core-icon-button src="star.png"></core-icon-button>
+
+`core-icon-button` includes a default icon set.  Use `icon` to specify 
+which icon from the icon set to use.
+
+    <core-icon-button icon="menu"></core-icon-button>
+
+See <a href="core-iconset.html">core-iconset</a> for more information about 
+how to use a custom icon set.
+
+@group Polymer Core Elements
+@element core-icon-button
+@homepage github.io
 -->
 
 
 
-<polymer-element name="polymer-ui-icon-button" extends="polymer-ui-theme-aware" attributes="src index icon active" assetpath="../polymer-ui-icon-button/">
+<polymer-element name="core-icon-button" extends="core-theme-aware" attributes="src icon active" assetpath="../core-icon-button/">
+
   <template>
+
     <style>/*
-Copyright 2013 The Polymer Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE
+The complete set of authors may be found at http://polymer.github.io/AUTHORS
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS
 */
+
 :host {
   display: inline-block;
   box-sizing: border-box;
@@ -5191,62 +2750,71 @@
   vertical-align: middle;
   cursor: pointer;
 }
-  
-:host(.outline:host) {
+
+:host(.outline) {
   box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.1);
 }
 
-:host(:hover:host) {
+:host(:hover) {
   box-shadow: 0 1px 0 0 rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(0, 0, 0, 0.1);
 }
 
-:host(.selected:host) {
+:host(.selected) {
   background-color: rgba(0, 0, 0, 0.05);
   box-shadow: inset 0 1px 0 0 rgba(0, 0, 0, 0.05), 0 0 0 1px rgba(0, 0, 0, 0.12);
 }
 
-:host(:active:host, .selected:active:host) {
+:host(:active, .selected:active) {
   background-color: rgba(0, 0, 0, 0.05);
   box-shadow: inset 0 1px 0 0 rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(0, 0, 0, 0.12);
 }
-  
-:host(.polymer-ui-dark-theme.outline:host) {
+
+:host(.core-dark-theme.outline) {
   background-color: rgba(200, 200, 200, 0.05);
   box-shadow: 0 0 0 1px rgba(200, 200, 200, 0.1);
 }
 
-:host(.polymer-ui-dark-theme:hover:host) {
+:host(.core-dark-theme:hover) {
   background-color: rgba(200, 200, 200, 0.05);
   box-shadow: 0 1px 0 0 rgba(200, 200, 200, 0.12), 0 0 0 1px rgba(200, 200, 200, 0.1);
 }
 
-:host(.polymer-ui-dark-theme.selected:host) {
+:host(.core-dark-theme.selected) {
   background-color: rgba(220, 220, 220, 0.05);
   box-shadow: inset 0 1px 0 0 rgba(200, 200, 200, 0.05), 0 0 0 1px rgba(200, 200, 200, 0.12);
 }
 
-:host(.polymer-ui-dark-theme:active:host, .polymer-ui-dark-theme.selected:active:host) {
+:host(.core-dark-theme:active, .core-dark-theme.selected:active) {
   background-color: rgba(200, 200, 200, 0.05);
   box-shadow: inset 0 1px 0 0 rgba(200, 200, 200, 0.1), 0 0 0 1px rgba(200, 200, 200, 0.12);
 }
 
-polymer-ui-icon {
-  display: block !important;
-}</style>
-    <polymer-ui-icon src="{{src}}" index="{{index}}" icon="{{icon}}"><content></content></polymer-ui-icon>
+core-icon {
+  display: block;
+  vertical-align: middle;
+}
+</style>
+
+    <core-icon src="{{src}}" icon="{{icon}}"><content></content></core-icon>
+
   </template>
+
   <script>
-    Polymer('polymer-ui-icon-button', {
+
+    Polymer('core-icon-button', {
+
       /**
-       * The URL of an image for the icon.
+       * The URL of an image for the icon.  Should not use `icon` property
+       * if you are using this property.
        *
        * @attribute src
        * @type string
        * @default ''
        */
       src: '',
+
       /**
-       * If true, border is placed around the button to indicate
+       * If true, border is placed around the button to indicate it's
        * active state.
        *
        * @attribute active
@@ -5254,1848 +2822,2188 @@
        * @default false
        */
       active: false,
+
       /**
-       * Specifies the icon from the Polymer icon set.
+       * Specifies the icon name or index in the set of icons available in
+       * the icon set.  Should not use `src` property if you are using this
+       * property.
        *
        * @attribute icon
        * @type string
        * @default ''
        */
       icon: '',
-      /**
-       * If a theme is applied that includes an icon set, the index of the 
-       * icon to display.
-       *
-       * @attribute index
-       * @type number
-       * @default -1
-       */     
-      index: -1,
+
       activeChanged: function() {
-        // TODO(sjmiles): sugar this common case
         this.classList.toggle('selected', this.active);
       }
+
     });
+
   </script>
+
 </polymer-element>
 
-<!--
-Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
-This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
-The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
-The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
-Code distributed by Google as part of the polymer project is also
-subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--->
-<!--
+﻿<script>/**
+ * marked - a markdown parser
+ * Copyright (c) 2011-2014, Christopher Jeffrey. (MIT Licensed)
+ * https://github.com/chjj/marked
+ */
+
+;(function() {
+
 /**
- * @group Polymer Core Elements
- *
- * core-xhr can be used to perform XMLHttpRequests.
- *
- *     <core-xhr id="xhr"></core-xhr>
- *     ...
- *     this.$.xhr.request({url: url, params: params, callback: callback});
- *
- * @element core-xhr
+ * Block-Level Grammar
  */
--->
 
+var block = {
+  newline: /^\n+/,
+  code: /^( {4}[^\n]+\n*)+/,
+  fences: noop,
+  hr: /^( *[-*_]){3,} *(?:\n+|$)/,
+  heading: /^ *(#{1,6}) *([^\n]+?) *#* *(?:\n+|$)/,
+  nptable: noop,
+  lheading: /^([^\n]+)\n *(=|-){2,} *(?:\n+|$)/,
+  blockquote: /^( *>[^\n]+(\n(?!def)[^\n]+)*\n*)+/,
+  list: /^( *)(bull) [\s\S]+?(?:hr|def|\n{2,}(?! )(?!\1bull )\n*|\s*$)/,
+  html: /^ *(?:comment|closed|closing) *(?:\n{2,}|\s*$)/,
+  def: /^ *\[([^\]]+)\]: *<?([^\s>]+)>?(?: +["(]([^\n]+)[")])? *(?:\n+|$)/,
+  table: noop,
+  paragraph: /^((?:[^\n]+\n?(?!hr|heading|lheading|blockquote|tag|def))+)\n*/,
+  text: /^[^\n]+/
+};
 
+block.bullet = /(?:[*+-]|\d+\.)/;
+block.item = /^( *)(bull) [^\n]*(?:\n(?!\1bull )[^\n]*)*/;
+block.item = replace(block.item, 'gm')
+  (/bull/g, block.bullet)
+  ();
 
-<polymer-element name="core-xhr" assetpath="../core-ajax/">
+block.list = replace(block.list)
+  (/bull/g, block.bullet)
+  ('hr', '\\n+(?=\\1?(?:[-*_] *){3,}(?:\\n+|$))')
+  ('def', '\\n+(?=' + block.def.source + ')')
+  ();
 
-  <template>
+block.blockquote = replace(block.blockquote)
+  ('def', block.def)
+  ();
 
-    <style>
-      :host {
-        display: none;
-      }
-    </style>
+block._tag = '(?!(?:'
+  + 'a|em|strong|small|s|cite|q|dfn|abbr|data|time|code'
+  + '|var|samp|kbd|sub|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo'
+  + '|span|br|wbr|ins|del|img)\\b)\\w+(?!:/|[^\\w\\s@]*@)\\b';
 
-  </template>
+block.html = replace(block.html)
+  ('comment', /<!--[\s\S]*?-->/)
+  ('closed', /<(tag)[\s\S]+?<\/\1>/)
+  ('closing', /<tag(?:"[^"]*"|'[^']*'|[^'">])*?>/)
+  (/tag/g, block._tag)
+  ();
 
-  <script>
+block.paragraph = replace(block.paragraph)
+  ('hr', block.hr)
+  ('heading', block.heading)
+  ('lheading', block.lheading)
+  ('blockquote', block.blockquote)
+  ('tag', '<' + block._tag)
+  ('def', block.def)
+  ();
 
-    Polymer('core-xhr', {
+/**
+ * Normal Block Grammar
+ */
 
-      makeReadyStateHandler: function(xhr, callback) {
-        xhr.onreadystatechange = function() {
-          if (xhr.readyState == 4) {
-            callback && callback.call(null, xhr.response, xhr);
-          }
-        };
-      },
+block.normal = merge({}, block);
 
-      setRequestHeaders: function(xhr, headers) {
-        if (headers) {
-          for (var name in headers) {
-            xhr.setRequestHeader(name, headers[name]);
-          }
-        }
-      },
+/**
+ * GFM Block Grammar
+ */
 
-      toQueryString: function(params) {
-        var r = [];
-        for (var n in params) {
-          var v = params[n];
-          n = encodeURIComponent(n);
-          r.push(v == null ? n : (n + '=' + encodeURIComponent(v)));
-        }
-        return r.join('&');
-      },
+block.gfm = merge({}, block.normal, {
+  fences: /^ *(`{3,}|~{3,}) *(\S+)? *\n([\s\S]+?)\s*\1 *(?:\n+|$)/,
+  paragraph: /^/
+});
 
-      /**
-       * Sends a HTTP request to the server and returns the XHR object.
-       *
-       * @method request
-       * @param {Object} inOptions
-       *    @param {String} inOptions.url The url to which the request is sent.
-       *    @param {String} inOptions.method The HTTP method to use, default is GET.
-       *    @param {boolean} inOptions.sync By default, all requests are sent asynchronously. To send synchronous requests, set to true.
-       *    @param {Object} inOptions.params Data to be sent to the server.
-       *    @param {Object} inOptions.body The content for the request body for POST method.
-       *    @param {Object} inOptions.headers HTTP request headers.
-       *    @param {String} inOptions.responseType The response type. Default is 'text'.
-       *    @param {boolean} inOptions.withCredentials Whether or not to send credentials on the request. Default is false.
-       *    @param {Object} inOptions.callback Called when request is completed.
-       * @returns {Object} XHR object.
-       */
-      request: function(options) {
-        var xhr = new XMLHttpRequest();
-        var url = options.url;
-        var method = options.method || 'GET';
-        var async = !options.sync;
-        var params = this.toQueryString(options.params);
-        if (params && method == 'GET') {
-          url += (url.indexOf('?') > 0 ? '&' : '?') + params;
-        }
-        xhr.open(method, url, async);
-        if (options.responseType) {
-          xhr.responseType = options.responseType;
-        }
-        if (options.withCredentials) {
-          xhr.withCredentials = true;
-        }
-        this.makeReadyStateHandler(xhr, options.callback);
-        this.setRequestHeaders(xhr, options.headers);
-        xhr.send(method == 'POST' ? (options.body || params) : null);
-        if (!async) {
-          xhr.onreadystatechange(xhr);
-        }
-        return xhr;
-      }
+block.gfm.paragraph = replace(block.paragraph)
+  ('(?!', '(?!'
+    + block.gfm.fences.source.replace('\\1', '\\2') + '|'
+    + block.list.source.replace('\\1', '\\3') + '|')
+  ();
 
-    });
+/**
+ * GFM + Tables Block Grammar
+ */
+
+block.tables = merge({}, block.gfm, {
+  nptable: /^ *(\S.*\|.*)\n *([-:]+ *\|[-| :]*)\n((?:.*\|.*(?:\n|$))*)\n*/,
+  table: /^ *\|(.+)\n *\|( *[-:]+[-| :]*)\n((?: *\|.*(?:\n|$))*)\n*/
+});
 
-  </script>
-  
-</polymer-element>
-
-<!--
-Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
-This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
-The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
-The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
-Code distributed by Google as part of the polymer project is also
-subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--->
-<!--
 /**
- * @group Polymer Core Elements
- *
- * The `core-ajax` element exposes `XMLHttpRequest` functionality.
- *
- *     <core-ajax 
- *         auto 
- *         url="http://gdata.youtube.com/feeds/api/videos/" 
- *         params='{"alt":"json", "q":"chrome"}'
- *         handleAs="json"
- *         on-core-response="{{handleResponse}}"></core-ajax>
- * 
- * With `auto` set to `true`, the element performs a request whenever
- * its `url` or `params` properties are changed.
- *
- * Note: The `params` attribute must be double quoted JSON.
- *
- * You can trigger a request explicitly by calling `go` on the
- * element.
- *
- * @element core-ajax
- * @status beta
- * @homepage github.io
- *
+ * Block Lexer
  */
- 
+
+function Lexer(options) {
+  this.tokens = [];
+  this.tokens.links = {};
+  this.options = options || marked.defaults;
+  this.rules = block.normal;
+
+  if (this.options.gfm) {
+    if (this.options.tables) {
+      this.rules = block.tables;
+    } else {
+      this.rules = block.gfm;
+    }
+  }
+}
+
 /**
- * Fired when a response is received.
- * 
- * @event core-response
+ * Expose Block Rules
  */
- 
+
+Lexer.rules = block;
+
 /**
- * Fired when an error is received.
- * 
- * @event core-error
+ * Static Lex Method
  */
- 
+
+Lexer.lex = function(src, options) {
+  var lexer = new Lexer(options);
+  return lexer.lex(src);
+};
+
 /**
- * Fired whenever a response or an error is received.
- *
- * @event core-complete
+ * Preprocessing
  */
- 
--->
 
+Lexer.prototype.lex = function(src) {
+  src = src
+    .replace(/\r\n|\r/g, '\n')
+    .replace(/\t/g, '    ')
+    .replace(/\u00a0/g, ' ')
+    .replace(/\u2424/g, '\n');
+
+  return this.token(src, true);
+};
+
+/**
+ * Lexing
+ */
+
+Lexer.prototype.token = function(src, top, bq) {
+  var src = src.replace(/^ +$/gm, '')
+    , next
+    , loose
+    , cap
+    , bull
+    , b
+    , item
+    , space
+    , i
+    , l;
+
+  while (src) {
+    // newline
+    if (cap = this.rules.newline.exec(src)) {
+      src = src.substring(cap[0].length);
+      if (cap[0].length > 1) {
+        this.tokens.push({
+          type: 'space'
+        });
+      }
+    }
+
+    // code
+    if (cap = this.rules.code.exec(src)) {
+      src = src.substring(cap[0].length);
+      cap = cap[0].replace(/^ {4}/gm, '');
+      this.tokens.push({
+        type: 'code',
+        text: !this.options.pedantic
+          ? cap.replace(/\n+$/, '')
+          : cap
+      });
+      continue;
+    }
+
+    // fences (gfm)
+    if (cap = this.rules.fences.exec(src)) {
+      src = src.substring(cap[0].length);
+      this.tokens.push({
+        type: 'code',
+        lang: cap[2],
+        text: cap[3]
+      });
+      continue;
+    }
 
+    // heading
+    if (cap = this.rules.heading.exec(src)) {
+      src = src.substring(cap[0].length);
+      this.tokens.push({
+        type: 'heading',
+        depth: cap[1].length,
+        text: cap[2]
+      });
+      continue;
+    }
 
-<polymer-element name="core-ajax" attributes="url handleAs auto params response method headers body contentType withCredentials" assetpath="../core-ajax/">
+    // table no leading pipe (gfm)
+    if (top && (cap = this.rules.nptable.exec(src))) {
+      src = src.substring(cap[0].length);
 
-  <script>
+      item = {
+        type: 'table',
+        header: cap[1].replace(/^ *| *\| *$/g, '').split(/ *\| */),
+        align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
+        cells: cap[3].replace(/\n$/, '').split('\n')
+      };
 
-    Polymer('core-ajax', {
- 
-      /**
-       * The URL target of the request.
-       * 
-       * @attribute url
-       * @type string
-       * @default ''
-       */
-      url: '',
+      for (i = 0; i < item.align.length; i++) {
+        if (/^ *-+: *$/.test(item.align[i])) {
+          item.align[i] = 'right';
+        } else if (/^ *:-+: *$/.test(item.align[i])) {
+          item.align[i] = 'center';
+        } else if (/^ *:-+ *$/.test(item.align[i])) {
+          item.align[i] = 'left';
+        } else {
+          item.align[i] = null;
+        }
+      }
 
-      /**
-       * Specifies what data to store in the `response` property, and
-       * to deliver as `event.response` in `response` events.
-       * 
-       * One of:
-       * 
-       *    `text`: uses `XHR.responseText`.
-       *    
-       *    `xml`: uses `XHR.responseXML`.
-       *    
-       *    `json`: uses `XHR.responseText` parsed as JSON.
-       *  
-       * @attribute handleAs
-       * @type string
-       * @default 'text'
-       */
-      handleAs: '',
+      for (i = 0; i < item.cells.length; i++) {
+        item.cells[i] = item.cells[i].split(/ *\| */);
+      }
 
-      /**
-       * If true, automatically performs an Ajax request when either `url` or `params` changes.
-       *
-       * @attribute auto
-       * @type boolean
-       * @default false
-       */
-      auto: false,
+      this.tokens.push(item);
 
-      /**
-       * Parameters to send to the specified URL, as JSON.
-       *  
-       * @attribute params
-       * @type string (JSON)
-       * @default ''
-       */
-      params: '',
+      continue;
+    }
 
-      /**
-       * Returns the response object.
-       *
-       * @attribute response
-       * @type Object
-       * @default null
-       */
-      response: null,
+    // lheading
+    if (cap = this.rules.lheading.exec(src)) {
+      src = src.substring(cap[0].length);
+      this.tokens.push({
+        type: 'heading',
+        depth: cap[2] === '=' ? 1 : 2,
+        text: cap[1]
+      });
+      continue;
+    }
 
-      /**
-       * The HTTP method to use such as 'GET', 'POST', 'PUT', or 'DELETE'.
-       * Default is 'GET'.
-       *
-       * @attribute method
-       * @type string
-       * @default ''
-       */
-      method: '',
+    // hr
+    if (cap = this.rules.hr.exec(src)) {
+      src = src.substring(cap[0].length);
+      this.tokens.push({
+        type: 'hr'
+      });
+      continue;
+    }
 
-      /**
-       * HTTP request headers to send.
-       *
-       * Example:
-       *
-       *     <core-ajax 
-       *         auto
-       *         url="http://somesite.com"
-       *         headers='{"X-Requested-With": "XMLHttpRequest"}'
-       *         handleAs="json"
-       *         on-core-response="{{handleResponse}}"></core-ajax>
-       *  
-       * @attribute headers
-       * @type Object
-       * @default null
-       */
-      headers: null,
+    // blockquote
+    if (cap = this.rules.blockquote.exec(src)) {
+      src = src.substring(cap[0].length);
 
-      /**
-       * Optional raw body content to send when method === "POST".
-       *
-       * Example:
-       *
-       *     <core-ajax method="POST" auto url="http://somesite.com"
-       *         body='{"foo":1, "bar":2}'>
-       *     </core-ajax>
-       *  
-       * @attribute body
-       * @type Object
-       * @default null
-       */
-      body: null,
+      this.tokens.push({
+        type: 'blockquote_start'
+      });
 
-      /**
-       * Content type to use when sending data.
-       *
-       * @attribute contentType
-       * @type string
-       * @default 'application/x-www-form-urlencoded'
-       */
-      contentType: 'application/x-www-form-urlencoded',
-      /**
-       * Set the withCredentials flag on the request.
-       * 
-       * @attribute withCredentials
-       * @type boolean
-       * @default false
-       */
-      withCredentials: false,
-      
-      ready: function() {
-        this.xhr = document.createElement('core-xhr');
-      },
+      cap = cap[0].replace(/^ *> ?/gm, '');
 
-      receive: function(response, xhr) {
-        if (this.isSuccess(xhr)) {
-          this.processResponse(xhr);
-        } else {
-          this.error(xhr);
-        }
-        this.complete(xhr);
-      },
+      // Pass `top` to keep the current
+      // "toplevel" state. This is exactly
+      // how markdown.pl works.
+      this.token(cap, top, true);
 
-      isSuccess: function(xhr) {
-        var status = xhr.status || 0;
-        return !status || (status >= 200 && status < 300);
-      },
+      this.tokens.push({
+        type: 'blockquote_end'
+      });
 
-      processResponse: function(xhr) {
-        var response = this.evalResponse(xhr);
-        this.response = response;
-        this.fire('core-response', {response: response, xhr: xhr});
-      },
+      continue;
+    }
 
-      error: function(xhr) {
-        var response = xhr.status + ': ' + xhr.responseText;
-        this.fire('core-error', {response: response, xhr: xhr});
-      },
+    // list
+    if (cap = this.rules.list.exec(src)) {
+      src = src.substring(cap[0].length);
+      bull = cap[2];
 
-      complete: function(xhr) {
-        this.fire('core-complete', {response: xhr.status, xhr: xhr});
-      },
+      this.tokens.push({
+        type: 'list_start',
+        ordered: bull.length > 1
+      });
 
-      evalResponse: function(xhr) {
-        return this[(this.handleAs || 'text') + 'Handler'](xhr);
-      },
+      // Get each top-level item.
+      cap = cap[0].match(this.rules.item);
 
-      xmlHandler: function(xhr) {
-        return xhr.responseXML;
-      },
+      next = false;
+      l = cap.length;
+      i = 0;
 
-      textHandler: function(xhr) {
-        return xhr.responseText;
-      },
+      for (; i < l; i++) {
+        item = cap[i];
 
-      jsonHandler: function(xhr) {
-        var r = xhr.responseText;
-        try {
-          return JSON.parse(r);
-        } catch (x) {
-          return r;
+        // Remove the list item's bullet
+        // so it is seen as the next token.
+        space = item.length;
+        item = item.replace(/^ *([*+-]|\d+\.) +/, '');
+
+        // Outdent whatever the
+        // list item contains. Hacky.
+        if (~item.indexOf('\n ')) {
+          space -= item.length;
+          item = !this.options.pedantic
+            ? item.replace(new RegExp('^ {1,' + space + '}', 'gm'), '')
+            : item.replace(/^ {1,4}/gm, '');
         }
-      },
 
-      urlChanged: function() {
-        if (!this.handleAs) {
-          var ext = String(this.url).split('.').pop();
-          switch (ext) {
-            case 'json':
-              this.handleAs = 'json';
-              break;
+        // Determine whether the next list item belongs here.
+        // Backpedal if it does not belong in this list.
+        if (this.options.smartLists && i !== l - 1) {
+          b = block.bullet.exec(cap[i + 1])[0];
+          if (bull !== b && !(bull.length > 1 && b.length > 1)) {
+            src = cap.slice(i + 1).join('\n') + src;
+            i = l - 1;
           }
         }
-        this.autoGo();
-      },
 
-      paramsChanged: function() {
-        this.autoGo();
-      },
+        // Determine whether item is loose or not.
+        // Use: /(^|\n)(?! )[^\n]+\n\n(?!\s*$)/
+        // for discount behavior.
+        loose = next || /\n\n(?!\s*$)/.test(item);
+        if (i !== l - 1) {
+          next = item.charAt(item.length - 1) === '\n';
+          if (!loose) loose = next;
+        }
 
-      autoChanged: function() {
-        this.autoGo();
-      },
+        this.tokens.push({
+          type: loose
+            ? 'loose_item_start'
+            : 'list_item_start'
+        });
 
-      // TODO(sorvell): multiple side-effects could call autoGo 
-      // during one micro-task, use a job to have only one action 
-      // occur
-      autoGo: function() {
-        if (this.auto) {
-          this.goJob = this.job(this.goJob, this.go, 0);
-        }
-      },
+        // Recurse.
+        this.token(item, false, bq);
 
-      /**
-       * Performs an Ajax request to the specified URL.
-       *
-       * @method go
-       */
-      go: function() {
-        var args = this.xhrArgs || {};
-        // TODO(sjmiles): alternatively, we could force POST if body is set
-        if (this.method === 'POST') {
-          args.body = this.body || args.body;
-        }
-        args.params = this.params || args.params;
-        if (args.params && typeof(args.params) == 'string') {
-          args.params = JSON.parse(args.params);
-        }
-        args.headers = this.headers || args.headers || {};
-        if (args.headers && typeof(args.headers) == 'string') {
-          args.headers = JSON.parse(args.headers);
-        }
-        if (this.contentType) {
-          args.headers['content-type'] = this.contentType;
-        }
-        
-        args.withCredentials = this.withCredentials;
-        args.callback = this.receive.bind(this);
-        args.url = this.url;
-        args.method = this.method;
-        return args.url && this.xhr.request(args);
+        this.tokens.push({
+          type: 'list_item_end'
+        });
       }
-      
-    });
 
-  </script>
-
-</polymer-element>
-
+      this.tokens.push({
+        type: 'list_end'
+      });
 
+      continue;
+    }
 
-<polymer-element name="context-free-parser" attributes="url text data" assetpath="../core-doc-viewer/">
+    // html
+    if (cap = this.rules.html.exec(src)) {
+      src = src.substring(cap[0].length);
+      this.tokens.push({
+        type: this.options.sanitize
+          ? 'paragraph'
+          : 'html',
+        pre: cap[1] === 'pre' || cap[1] === 'script' || cap[1] === 'style',
+        text: cap[0]
+      });
+      continue;
+    }
 
-  <template>
+    // def
+    if ((!bq && top) && (cap = this.rules.def.exec(src))) {
+      src = src.substring(cap[0].length);
+      this.tokens.links[cap[1].toLowerCase()] = {
+        href: cap[2],
+        title: cap[3]
+      };
+      continue;
+    }
 
-    <core-ajax url="{{url}}" response="{{text}}" auto=""></core-ajax>
+    // table (gfm)
+    if (top && (cap = this.rules.table.exec(src))) {
+      src = src.substring(cap[0].length);
 
-  </template>
+      item = {
+        type: 'table',
+        header: cap[1].replace(/^ *| *\| *$/g, '').split(/ *\| */),
+        align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
+        cells: cap[3].replace(/(?: *\| *)?\n$/, '').split('\n')
+      };
 
-  <script id="test">
+      for (i = 0; i < item.align.length; i++) {
+        if (/^ *-+: *$/.test(item.align[i])) {
+          item.align[i] = 'right';
+        } else if (/^ *:-+: *$/.test(item.align[i])) {
+          item.align[i] = 'center';
+        } else if (/^ *:-+ *$/.test(item.align[i])) {
+          item.align[i] = 'left';
+        } else {
+          item.align[i] = null;
+        }
+      }
 
-    Polymer('context-free-parser', {
+      for (i = 0; i < item.cells.length; i++) {
+        item.cells[i] = item.cells[i]
+          .replace(/^ *\| *| *\| *$/g, '')
+          .split(/ *\| */);
+      }
 
-      text: null,
+      this.tokens.push(item);
 
-      textChanged: function() {
+      continue;
+    }
 
-        if (!this.text) {
-          return;
-        }
+    // top-level paragraph
+    if (top && (cap = this.rules.paragraph.exec(src))) {
+      src = src.substring(cap[0].length);
+      this.tokens.push({
+        type: 'paragraph',
+        text: cap[1].charAt(cap[1].length - 1) === '\n'
+          ? cap[1].slice(0, -1)
+          : cap[1]
+      });
+      continue;
+    }
 
-        var text = this.text;
-        var top = {};
-        var classes = [];
-        var current = top;
-        var subCurrent = {};
+    // text
+    if (cap = this.rules.text.exec(src)) {
+      // Top-level should never reach here.
+      src = src.substring(cap[0].length);
+      this.tokens.push({
+        type: 'text',
+        text: cap[0]
+      });
+      continue;
+    }
 
-        var scriptDocCommentClause = '\\/\\*\\*([\\s\\S]*?)\\*\\/';
-        var htmlDocCommentClause = '<!--([\\s\\S]*?)-->';
+    if (src) {
+      throw new
+        Error('Infinite loop on byte: ' + src.charCodeAt(0));
+    }
+  }
 
-        // matches text between /** and */ inclusive and <!-- and --> inclusive
-        var docCommentRegex = new RegExp(scriptDocCommentClause + '|' + htmlDocCommentClause, 'g');
+  return this.tokens;
+};
 
-        // acquire all script doc comments
-        var docComments = text.match(docCommentRegex) || [];
+/**
+ * Inline-Level Grammar
+ */
 
-        // each match represents a single block of doc comments
-        docComments.forEach(function(m) {
-          // unify line ends, remove all comment characters, split into individual lines
-          var lines = m.replace(/\r\n/g, '\n').replace(/^\s*\/\*\*|^\s*\*\/|^\s*\* ?|^\s*\<\!-\-|^s*\-\-\>/gm, '').split('\n');
+var inline = {
+  escape: /^\\([\\`*{}\[\]()#+\-.!_>])/,
+  autolink: /^<([^ >]+(@|:\/)[^ >]+)>/,
+  url: noop,
+  tag: /^<!--[\s\S]*?-->|^<\/?\w+(?:"[^"]*"|'[^']*'|[^'">])*?>/,
+  link: /^!?\[(inside)\]\(href\)/,
+  reflink: /^!?\[(inside)\]\s*\[([^\]]*)\]/,
+  nolink: /^!?\[((?:\[[^\]]*\]|[^\[\]])*)\]/,
+  strong: /^__([\s\S]+?)__(?!_)|^\*\*([\s\S]+?)\*\*(?!\*)/,
+  em: /^\b_((?:__|[\s\S])+?)_\b|^\*((?:\*\*|[\s\S])+?)\*(?!\*)/,
+  code: /^(`+)\s*([\s\S]*?[^`])\s*\1(?!`)/,
+  br: /^ {2,}\n(?!\s*$)/,
+  del: noop,
+  text: /^[\s\S]+?(?=[\\<!\[_*`]| {2,}\n|$)/
+};
 
-          // pragmas (@-rules) must occur on a line by themselves
-          var pragmas = [];
-          // filter lines whose first non-whitespace character is @ into the pragma list
-          // (and out of the `lines` array)
-          lines = lines.filter(function(l) {
-            var m = l.match(/\s*@([\w-]*) (.*)/);
-            if (!m) {
-              return true;
-            }
-            pragmas.push(m);
-          });
+inline._inside = /(?:\[[^\]]*\]|[^\[\]]|\](?=[^\[]*\]))*/;
+inline._href = /\s*<?([\s\S]*?)>?(?:\s+['"]([\s\S]*?)['"])?\s*/;
 
-          // collect all other text into a single block
-          var code = lines.join('\n');
-          
-          pragmas.forEach(function(m) {
-            var pragma = m[1], content = m[2];
-            switch (pragma) {
+inline.link = replace(inline.link)
+  ('inside', inline._inside)
+  ('href', inline._href)
+  ();
 
-              case 'class':
-              case 'element':
-                current = {
-                  name: content,
-                  description: code
-                };
-                classes.push(current);
-                break;
-              
-              case 'attribute':
-              case 'method':
-              case 'event':
-                subCurrent = {
-                  name: content,
-                  description: code
-                };
-                makePragma(current, pragma + 's', subCurrent);
-                break;
+inline.reflink = replace(inline.reflink)
+  ('inside', inline._inside)
+  ();
 
-              case 'default':
-              case 'type':
-                subCurrent[pragma] = content;
-                break;
+/**
+ * Normal Inline Grammar
+ */
 
-              default:
-                current[pragma] = content;
-                break;
-            }
-          });
+inline.normal = merge({}, inline);
 
-          // utility function, yay hoisting
-          function makePragma(object, pragma, content) {
-            var p$ = object;
-            var p = p$[pragma];
-            if (!p) {
-              p$[pragma] = p = [];
-            }
-            p.push(content);
-          }
+/**
+ * Pedantic Inline Grammar
+ */
 
-        });
+inline.pedantic = merge({}, inline.normal, {
+  strong: /^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/,
+  em: /^_(?=\S)([\s\S]*?\S)_(?!_)|^\*(?=\S)([\s\S]*?\S)\*(?!\*)/
+});
 
-        if (classes.length === 0) {
-          classes.push({name: this.url.split('/').pop(), description: '**Undocumented**'});
-        }
-        this.data = { classes : classes };
-      },
+/**
+ * GFM Inline Grammar
+ */
 
-      dataChanged: function() {
-        this.fire('data-ready');
-      }
+inline.gfm = merge({}, inline.normal, {
+  escape: replace(inline.escape)('])', '~|])')(),
+  url: /^(https?:\/\/[^\s<]+[^<.,:;"')\]\s])/,
+  del: /^~~(?=\S)([\s\S]*?\S)~~/,
+  text: replace(inline.text)
+    (']|', '~]|')
+    ('|', '|https?://|')
+    ()
+});
 
-    });
+/**
+ * GFM + Line Breaks Inline Grammar
+ */
 
-  </script>
+inline.breaks = merge({}, inline.gfm, {
+  br: replace(inline.br)('{2,}', '*')(),
+  text: replace(inline.gfm.text)('{2,}', '*')()
+});
 
-</polymer-element>
-
-<!--
-Copyright 2013 The Polymer Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
--->
+/**
+ * Inline Lexer & Compiler
+ */
 
-<script>/**
- * marked - a markdown parser
- * Copyright (c) 2011-2013, Christopher Jeffrey. (MIT Licensed)
- * https://github.com/chjj/marked
+function InlineLexer(links, options) {
+  this.options = options || marked.defaults;
+  this.links = links;
+  this.rules = inline.normal;
+  this.renderer = this.options.renderer || new Renderer;
+  this.renderer.options = this.options;
+
+  if (!this.links) {
+    throw new
+      Error('Tokens array requires a `links` property.');
+  }
+
+  if (this.options.gfm) {
+    if (this.options.breaks) {
+      this.rules = inline.breaks;
+    } else {
+      this.rules = inline.gfm;
+    }
+  } else if (this.options.pedantic) {
+    this.rules = inline.pedantic;
+  }
+}
+
+/**
+ * Expose Inline Rules
  */
 
-;(function() {
+InlineLexer.rules = inline;
 
 /**
- * Block-Level Grammar
+ * Static Lexing/Compiling Method
  */
 
-var block = {
-  newline: /^\n+/,
-  code: /^( {4}[^\n]+\n*)+/,
-  fences: noop,
-  hr: /^( *[-*_]){3,} *(?:\n+|$)/,
-  heading: /^ *(#{1,6}) *([^\n]+?) *#* *(?:\n+|$)/,
-  nptable: noop,
-  lheading: /^([^\n]+)\n *(=|-){2,} *(?:\n+|$)/,
-  blockquote: /^( *>[^\n]+(\n[^\n]+)*\n*)+/,
-  list: /^( *)(bull) [\s\S]+?(?:hr|\n{2,}(?! )(?!\1bull )\n*|\s*$)/,
-  html: /^ *(?:comment|closed|closing) *(?:\n{2,}|\s*$)/,
-  def: /^ *\[([^\]]+)\]: *<?([^\s>]+)>?(?: +["(]([^\n]+)[")])? *(?:\n+|$)/,
-  table: noop,
-  paragraph: /^((?:[^\n]+\n?(?!hr|heading|lheading|blockquote|tag|def))+)\n*/,
-  text: /^[^\n]+/
+InlineLexer.output = function(src, links, options) {
+  var inline = new InlineLexer(links, options);
+  return inline.output(src);
 };
 
-block.bullet = /(?:[*+-]|\d+\.)/;
-block.item = /^( *)(bull) [^\n]*(?:\n(?!\1bull )[^\n]*)*/;
-block.item = replace(block.item, 'gm')
-  (/bull/g, block.bullet)
-  ();
+/**
+ * Lexing/Compiling
+ */
 
-block.list = replace(block.list)
-  (/bull/g, block.bullet)
-  ('hr', /\n+(?=(?: *[-*_]){3,} *(?:\n+|$))/)
-  ();
+InlineLexer.prototype.output = function(src) {
+  var out = ''
+    , link
+    , text
+    , href
+    , cap;
 
-block._tag = '(?!(?:'
-  + 'a|em|strong|small|s|cite|q|dfn|abbr|data|time|code'
-  + '|var|samp|kbd|sub|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo'
-  + '|span|br|wbr|ins|del|img)\\b)\\w+(?!:/|[^\\w\\s@]*@)\\b';
+  while (src) {
+    // escape
+    if (cap = this.rules.escape.exec(src)) {
+      src = src.substring(cap[0].length);
+      out += cap[1];
+      continue;
+    }
 
-block.html = replace(block.html)
-  ('comment', /<!--[\s\S]*?-->/)
-  ('closed', /<(tag)[\s\S]+?<\/\1>/)
-  ('closing', /<tag(?:"[^"]*"|'[^']*'|[^'">])*?>/)
-  (/tag/g, block._tag)
-  ();
+    // autolink
+    if (cap = this.rules.autolink.exec(src)) {
+      src = src.substring(cap[0].length);
+      if (cap[2] === '@') {
+        text = cap[1].charAt(6) === ':'
+          ? this.mangle(cap[1].substring(7))
+          : this.mangle(cap[1]);
+        href = this.mangle('mailto:') + text;
+      } else {
+        text = escape(cap[1]);
+        href = text;
+      }
+      out += this.renderer.link(href, null, text);
+      continue;
+    }
 
-block.paragraph = replace(block.paragraph)
-  ('hr', block.hr)
-  ('heading', block.heading)
-  ('lheading', block.lheading)
-  ('blockquote', block.blockquote)
-  ('tag', '<' + block._tag)
-  ('def', block.def)
-  ();
+    // url (gfm)
+    if (!this.inLink && (cap = this.rules.url.exec(src))) {
+      src = src.substring(cap[0].length);
+      text = escape(cap[1]);
+      href = text;
+      out += this.renderer.link(href, null, text);
+      continue;
+    }
+
+    // tag
+    if (cap = this.rules.tag.exec(src)) {
+      if (!this.inLink && /^<a /i.test(cap[0])) {
+        this.inLink = true;
+      } else if (this.inLink && /^<\/a>/i.test(cap[0])) {
+        this.inLink = false;
+      }
+      src = src.substring(cap[0].length);
+      out += this.options.sanitize
+        ? escape(cap[0])
+        : cap[0];
+      continue;
+    }
+
+    // link
+    if (cap = this.rules.link.exec(src)) {
+      src = src.substring(cap[0].length);
+      this.inLink = true;
+      out += this.outputLink(cap, {
+        href: cap[2],
+        title: cap[3]
+      });
+      this.inLink = false;
+      continue;
+    }
+
+    // reflink, nolink
+    if ((cap = this.rules.reflink.exec(src))
+        || (cap = this.rules.nolink.exec(src))) {
+      src = src.substring(cap[0].length);
+      link = (cap[2] || cap[1]).replace(/\s+/g, ' ');
+      link = this.links[link.toLowerCase()];
+      if (!link || !link.href) {
+        out += cap[0].charAt(0);
+        src = cap[0].substring(1) + src;
+        continue;
+      }
+      this.inLink = true;
+      out += this.outputLink(cap, link);
+      this.inLink = false;
+      continue;
+    }
+
+    // strong
+    if (cap = this.rules.strong.exec(src)) {
+      src = src.substring(cap[0].length);
+      out += this.renderer.strong(this.output(cap[2] || cap[1]));
+      continue;
+    }
+
+    // em
+    if (cap = this.rules.em.exec(src)) {
+      src = src.substring(cap[0].length);
+      out += this.renderer.em(this.output(cap[2] || cap[1]));
+      continue;
+    }
+
+    // code
+    if (cap = this.rules.code.exec(src)) {
+      src = src.substring(cap[0].length);
+      out += this.renderer.codespan(escape(cap[2], true));
+      continue;
+    }
+
+    // br
+    if (cap = this.rules.br.exec(src)) {
+      src = src.substring(cap[0].length);
+      out += this.renderer.br();
+      continue;
+    }
+
+    // del (gfm)
+    if (cap = this.rules.del.exec(src)) {
+      src = src.substring(cap[0].length);
+      out += this.renderer.del(this.output(cap[1]));
+      continue;
+    }
+
+    // text
+    if (cap = this.rules.text.exec(src)) {
+      src = src.substring(cap[0].length);
+      out += escape(this.smartypants(cap[0]));
+      continue;
+    }
 
-/**
- * Normal Block Grammar
- */
+    if (src) {
+      throw new
+        Error('Infinite loop on byte: ' + src.charCodeAt(0));
+    }
+  }
 
-block.normal = merge({}, block);
+  return out;
+};
 
 /**
- * GFM Block Grammar
+ * Compile Link
  */
 
-block.gfm = merge({}, block.normal, {
-  fences: /^ *(`{3,}|~{3,}) *(\S+)? *\n([\s\S]+?)\s*\1 *(?:\n+|$)/,
-  paragraph: /^/
-});
+InlineLexer.prototype.outputLink = function(cap, link) {
+  var href = escape(link.href)
+    , title = link.title ? escape(link.title) : null;
 
-block.gfm.paragraph = replace(block.paragraph)
-  ('(?!', '(?!'
-    + block.gfm.fences.source.replace('\\1', '\\2') + '|'
-    + block.list.source.replace('\\1', '\\3') + '|')
-  ();
+  return cap[0].charAt(0) !== '!'
+    ? this.renderer.link(href, title, this.output(cap[1]))
+    : this.renderer.image(href, title, escape(cap[1]));
+};
 
 /**
- * GFM + Tables Block Grammar
+ * Smartypants Transformations
  */
 
-block.tables = merge({}, block.gfm, {
-  nptable: /^ *(\S.*\|.*)\n *([-:]+ *\|[-| :]*)\n((?:.*\|.*(?:\n|$))*)\n*/,
-  table: /^ *\|(.+)\n *\|( *[-:]+[-| :]*)\n((?: *\|.*(?:\n|$))*)\n*/
-});
+InlineLexer.prototype.smartypants = function(text) {
+  if (!this.options.smartypants) return text;
+  return text
+    // em-dashes
+    .replace(/--/g, '\u2014')
+    // opening singles
+    .replace(/(^|[-\u2014/(\[{"\s])'/g, '$1\u2018')
+    // closing singles & apostrophes
+    .replace(/'/g, '\u2019')
+    // opening doubles
+    .replace(/(^|[-\u2014/(\[{\u2018\s])"/g, '$1\u201c')
+    // closing doubles
+    .replace(/"/g, '\u201d')
+    // ellipses
+    .replace(/\.{3}/g, '\u2026');
+};
 
 /**
- * Block Lexer
+ * Mangle Links
  */
 
-function Lexer(options) {
-  this.tokens = [];
-  this.tokens.links = {};
-  this.options = options || marked.defaults;
-  this.rules = block.normal;
+InlineLexer.prototype.mangle = function(text) {
+  var out = ''
+    , l = text.length
+    , i = 0
+    , ch;
 
-  if (this.options.gfm) {
-    if (this.options.tables) {
-      this.rules = block.tables;
-    } else {
-      this.rules = block.gfm;
+  for (; i < l; i++) {
+    ch = text.charCodeAt(i);
+    if (Math.random() > 0.5) {
+      ch = 'x' + ch.toString(16);
     }
+    out += '&#' + ch + ';';
   }
-}
+
+  return out;
+};
 
 /**
- * Expose Block Rules
+ * Renderer
  */
 
-Lexer.rules = block;
+function Renderer(options) {
+  this.options = options || {};
+}
 
-/**
- * Static Lex Method
- */
+Renderer.prototype.code = function(code, lang, escaped) {
+  if (this.options.highlight) {
+    var out = this.options.highlight(code, lang);
+    if (out != null && out !== code) {
+      escaped = true;
+      code = out;
+    }
+  }
 
-Lexer.lex = function(src, options) {
-  var lexer = new Lexer(options);
-  return lexer.lex(src);
+  if (!lang) {
+    return '<pre><code>'
+      + (escaped ? code : escape(code, true))
+      + '\n</code></pre>';
+  }
+
+  return '<pre><code class="'
+    + this.options.langPrefix
+    + escape(lang, true)
+    + '">'
+    + (escaped ? code : escape(code, true))
+    + '\n</code></pre>\n';
 };
 
-/**
- * Preprocessing
- */
+Renderer.prototype.blockquote = function(quote) {
+  return '<blockquote>\n' + quote + '</blockquote>\n';
+};
 
-Lexer.prototype.lex = function(src) {
-  src = src
-    .replace(/\r\n|\r/g, '\n')
-    .replace(/\t/g, '    ')
-    .replace(/\u00a0/g, ' ')
-    .replace(/\u2424/g, '\n');
+Renderer.prototype.html = function(html) {
+  return html;
+};
 
-  return this.token(src, true);
+Renderer.prototype.heading = function(text, level, raw) {
+  return '<h'
+    + level
+    + ' id="'
+    + this.options.headerPrefix
+    + raw.toLowerCase().replace(/[^\w]+/g, '-')
+    + '">'
+    + text
+    + '</h'
+    + level
+    + '>\n';
 };
 
-/**
- * Lexing
- */
+Renderer.prototype.hr = function() {
+  return this.options.xhtml ? '<hr/>\n' : '<hr>\n';
+};
 
-Lexer.prototype.token = function(src, top) {
-  var src = src.replace(/^ +$/gm, '')
-    , next
-    , loose
-    , cap
-    , bull
-    , b
-    , item
-    , space
-    , i
-    , l;
+Renderer.prototype.list = function(body, ordered) {
+  var type = ordered ? 'ol' : 'ul';
+  return '<' + type + '>\n' + body + '</' + type + '>\n';
+};
 
-  while (src) {
-    // newline
-    if (cap = this.rules.newline.exec(src)) {
-      src = src.substring(cap[0].length);
-      if (cap[0].length > 1) {
-        this.tokens.push({
-          type: 'space'
-        });
-      }
-    }
+Renderer.prototype.listitem = function(text) {
+  return '<li>' + text + '</li>\n';
+};
 
-    // code
-    if (cap = this.rules.code.exec(src)) {
-      src = src.substring(cap[0].length);
-      cap = cap[0].replace(/^ {4}/gm, '');
-      this.tokens.push({
-        type: 'code',
-        text: !this.options.pedantic
-          ? cap.replace(/\n+$/, '')
-          : cap
-      });
-      continue;
-    }
+Renderer.prototype.paragraph = function(text) {
+  return '<p>' + text + '</p>\n';
+};
 
-    // fences (gfm)
-    if (cap = this.rules.fences.exec(src)) {
-      src = src.substring(cap[0].length);
-      this.tokens.push({
-        type: 'code',
-        lang: cap[2],
-        text: cap[3]
-      });
-      continue;
-    }
+Renderer.prototype.table = function(header, body) {
+  return '<table>\n'
+    + '<thead>\n'
+    + header
+    + '</thead>\n'
+    + '<tbody>\n'
+    + body
+    + '</tbody>\n'
+    + '</table>\n';
+};
 
-    // heading
-    if (cap = this.rules.heading.exec(src)) {
-      src = src.substring(cap[0].length);
-      this.tokens.push({
-        type: 'heading',
-        depth: cap[1].length,
-        text: cap[2]
-      });
-      continue;
-    }
+Renderer.prototype.tablerow = function(content) {
+  return '<tr>\n' + content + '</tr>\n';
+};
 
-    // table no leading pipe (gfm)
-    if (top && (cap = this.rules.nptable.exec(src))) {
-      src = src.substring(cap[0].length);
+Renderer.prototype.tablecell = function(content, flags) {
+  var type = flags.header ? 'th' : 'td';
+  var tag = flags.align
+    ? '<' + type + ' style="text-align:' + flags.align + '">'
+    : '<' + type + '>';
+  return tag + content + '</' + type + '>\n';
+};
 
-      item = {
-        type: 'table',
-        header: cap[1].replace(/^ *| *\| *$/g, '').split(/ *\| */),
-        align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
-        cells: cap[3].replace(/\n$/, '').split('\n')
-      };
+// span level renderer
+Renderer.prototype.strong = function(text) {
+  return '<strong>' + text + '</strong>';
+};
 
-      for (i = 0; i < item.align.length; i++) {
-        if (/^ *-+: *$/.test(item.align[i])) {
-          item.align[i] = 'right';
-        } else if (/^ *:-+: *$/.test(item.align[i])) {
-          item.align[i] = 'center';
-        } else if (/^ *:-+ *$/.test(item.align[i])) {
-          item.align[i] = 'left';
-        } else {
-          item.align[i] = null;
-        }
-      }
+Renderer.prototype.em = function(text) {
+  return '<em>' + text + '</em>';
+};
 
-      for (i = 0; i < item.cells.length; i++) {
-        item.cells[i] = item.cells[i].split(/ *\| */);
-      }
+Renderer.prototype.codespan = function(text) {
+  return '<code>' + text + '</code>';
+};
 
-      this.tokens.push(item);
+Renderer.prototype.br = function() {
+  return this.options.xhtml ? '<br/>' : '<br>';
+};
 
-      continue;
-    }
+Renderer.prototype.del = function(text) {
+  return '<del>' + text + '</del>';
+};
 
-    // lheading
-    if (cap = this.rules.lheading.exec(src)) {
-      src = src.substring(cap[0].length);
-      this.tokens.push({
-        type: 'heading',
-        depth: cap[2] === '=' ? 1 : 2,
-        text: cap[1]
-      });
-      continue;
+Renderer.prototype.link = function(href, title, text) {
+  if (this.options.sanitize) {
+    try {
+      var prot = decodeURIComponent(unescape(href))
+        .replace(/[^\w:]/g, '')
+        .toLowerCase();
+    } catch (e) {
+      return '';
     }
-
-    // hr
-    if (cap = this.rules.hr.exec(src)) {
-      src = src.substring(cap[0].length);
-      this.tokens.push({
-        type: 'hr'
-      });
-      continue;
+    if (prot.indexOf('javascript:') === 0) {
+      return '';
     }
+  }
+  var out = '<a href="' + href + '"';
+  if (title) {
+    out += ' title="' + title + '"';
+  }
+  out += '>' + text + '</a>';
+  return out;
+};
 
-    // blockquote
-    if (cap = this.rules.blockquote.exec(src)) {
-      src = src.substring(cap[0].length);
-
-      this.tokens.push({
-        type: 'blockquote_start'
-      });
+Renderer.prototype.image = function(href, title, text) {
+  var out = '<img src="' + href + '" alt="' + text + '"';
+  if (title) {
+    out += ' title="' + title + '"';
+  }
+  out += this.options.xhtml ? '/>' : '>';
+  return out;
+};
 
-      cap = cap[0].replace(/^ *> ?/gm, '');
+/**
+ * Parsing & Compiling
+ */
 
-      // Pass `top` to keep the current
-      // "toplevel" state. This is exactly
-      // how markdown.pl works.
-      this.token(cap, top);
+function Parser(options) {
+  this.tokens = [];
+  this.token = null;
+  this.options = options || marked.defaults;
+  this.options.renderer = this.options.renderer || new Renderer;
+  this.renderer = this.options.renderer;
+  this.renderer.options = this.options;
+}
 
-      this.tokens.push({
-        type: 'blockquote_end'
-      });
+/**
+ * Static Parse Method
+ */
 
-      continue;
-    }
+Parser.parse = function(src, options, renderer) {
+  var parser = new Parser(options, renderer);
+  return parser.parse(src);
+};
 
-    // list
-    if (cap = this.rules.list.exec(src)) {
-      src = src.substring(cap[0].length);
-      bull = cap[2];
+/**
+ * Parse Loop
+ */
 
-      this.tokens.push({
-        type: 'list_start',
-        ordered: bull.length > 1
-      });
+Parser.prototype.parse = function(src) {
+  this.inline = new InlineLexer(src.links, this.options, this.renderer);
+  this.tokens = src.reverse();
 
-      // Get each top-level item.
-      cap = cap[0].match(this.rules.item);
+  var out = '';
+  while (this.next()) {
+    out += this.tok();
+  }
 
-      next = false;
-      l = cap.length;
-      i = 0;
+  return out;
+};
 
-      for (; i < l; i++) {
-        item = cap[i];
+/**
+ * Next Token
+ */
 
-        // Remove the list item's bullet
-        // so it is seen as the next token.
-        space = item.length;
-        item = item.replace(/^ *([*+-]|\d+\.) +/, '');
+Parser.prototype.next = function() {
+  return this.token = this.tokens.pop();
+};
 
-        // Outdent whatever the
-        // list item contains. Hacky.
-        if (~item.indexOf('\n ')) {
-          space -= item.length;
-          item = !this.options.pedantic
-            ? item.replace(new RegExp('^ {1,' + space + '}', 'gm'), '')
-            : item.replace(/^ {1,4}/gm, '');
-        }
+/**
+ * Preview Next Token
+ */
 
-        // Determine whether the next list item belongs here.
-        // Backpedal if it does not belong in this list.
-        if (this.options.smartLists && i !== l - 1) {
-          b = block.bullet.exec(cap[i + 1])[0];
-          if (bull !== b && !(bull.length > 1 && b.length > 1)) {
-            src = cap.slice(i + 1).join('\n') + src;
-            i = l - 1;
-          }
-        }
+Parser.prototype.peek = function() {
+  return this.tokens[this.tokens.length - 1] || 0;
+};
 
-        // Determine whether item is loose or not.
-        // Use: /(^|\n)(?! )[^\n]+\n\n(?!\s*$)/
-        // for discount behavior.
-        loose = next || /\n\n(?!\s*$)/.test(item);
-        if (i !== l - 1) {
-          next = item.charAt(item.length - 1) === '\n';
-          if (!loose) loose = next;
-        }
+/**
+ * Parse Text Tokens
+ */
 
-        this.tokens.push({
-          type: loose
-            ? 'loose_item_start'
-            : 'list_item_start'
-        });
+Parser.prototype.parseText = function() {
+  var body = this.token.text;
 
-        // Recurse.
-        this.token(item, false);
+  while (this.peek().type === 'text') {
+    body += '\n' + this.next().text;
+  }
 
-        this.tokens.push({
-          type: 'list_item_end'
-        });
-      }
+  return this.inline.output(body);
+};
 
-      this.tokens.push({
-        type: 'list_end'
-      });
+/**
+ * Parse Current Token
+ */
 
-      continue;
+Parser.prototype.tok = function() {
+  switch (this.token.type) {
+    case 'space': {
+      return '';
     }
-
-    // html
-    if (cap = this.rules.html.exec(src)) {
-      src = src.substring(cap[0].length);
-      this.tokens.push({
-        type: this.options.sanitize
-          ? 'paragraph'
-          : 'html',
-        pre: cap[1] === 'pre' || cap[1] === 'script' || cap[1] === 'style',
-        text: cap[0]
-      });
-      continue;
+    case 'hr': {
+      return this.renderer.hr();
     }
-
-    // def
-    if (top && (cap = this.rules.def.exec(src))) {
-      src = src.substring(cap[0].length);
-      this.tokens.links[cap[1].toLowerCase()] = {
-        href: cap[2],
-        title: cap[3]
-      };
-      continue;
+    case 'heading': {
+      return this.renderer.heading(
+        this.inline.output(this.token.text),
+        this.token.depth,
+        this.token.text);
     }
+    case 'code': {
+      return this.renderer.code(this.token.text,
+        this.token.lang,
+        this.token.escaped);
+    }
+    case 'table': {
+      var header = ''
+        , body = ''
+        , i
+        , row
+        , cell
+        , flags
+        , j;
 
-    // table (gfm)
-    if (top && (cap = this.rules.table.exec(src))) {
-      src = src.substring(cap[0].length);
-
-      item = {
-        type: 'table',
-        header: cap[1].replace(/^ *| *\| *$/g, '').split(/ *\| */),
-        align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
-        cells: cap[3].replace(/(?: *\| *)?\n$/, '').split('\n')
-      };
+      // header
+      cell = '';
+      for (i = 0; i < this.token.header.length; i++) {
+        flags = { header: true, align: this.token.align[i] };
+        cell += this.renderer.tablecell(
+          this.inline.output(this.token.header[i]),
+          { header: true, align: this.token.align[i] }
+        );
+      }
+      header += this.renderer.tablerow(cell);
 
-      for (i = 0; i < item.align.length; i++) {
-        if (/^ *-+: *$/.test(item.align[i])) {
-          item.align[i] = 'right';
-        } else if (/^ *:-+: *$/.test(item.align[i])) {
-          item.align[i] = 'center';
-        } else if (/^ *:-+ *$/.test(item.align[i])) {
-          item.align[i] = 'left';
-        } else {
-          item.align[i] = null;
+      for (i = 0; i < this.token.cells.length; i++) {
+        row = this.token.cells[i];
+
+        cell = '';
+        for (j = 0; j < row.length; j++) {
+          cell += this.renderer.tablecell(
+            this.inline.output(row[j]),
+            { header: false, align: this.token.align[j] }
+          );
         }
-      }
 
-      for (i = 0; i < item.cells.length; i++) {
-        item.cells[i] = item.cells[i]
-          .replace(/^ *\| *| *\| *$/g, '')
-          .split(/ *\| */);
+        body += this.renderer.tablerow(cell);
       }
+      return this.renderer.table(header, body);
+    }
+    case 'blockquote_start': {
+      var body = '';
 
-      this.tokens.push(item);
+      while (this.next().type !== 'blockquote_end') {
+        body += this.tok();
+      }
 
-      continue;
+      return this.renderer.blockquote(body);
     }
+    case 'list_start': {
+      var body = ''
+        , ordered = this.token.ordered;
 
-    // top-level paragraph
-    if (top && (cap = this.rules.paragraph.exec(src))) {
-      src = src.substring(cap[0].length);
-      this.tokens.push({
-        type: 'paragraph',
-        text: cap[1].charAt(cap[1].length - 1) === '\n'
-          ? cap[1].slice(0, -1)
-          : cap[1]
-      });
-      continue;
+      while (this.next().type !== 'list_end') {
+        body += this.tok();
+      }
+
+      return this.renderer.list(body, ordered);
     }
+    case 'list_item_start': {
+      var body = '';
 
-    // text
-    if (cap = this.rules.text.exec(src)) {
-      // Top-level should never reach here.
-      src = src.substring(cap[0].length);
-      this.tokens.push({
-        type: 'text',
-        text: cap[0]
-      });
-      continue;
+      while (this.next().type !== 'list_item_end') {
+        body += this.token.type === 'text'
+          ? this.parseText()
+          : this.tok();
+      }
+
+      return this.renderer.listitem(body);
     }
+    case 'loose_item_start': {
+      var body = '';
 
-    if (src) {
-      throw new
-        Error('Infinite loop on byte: ' + src.charCodeAt(0));
+      while (this.next().type !== 'list_item_end') {
+        body += this.tok();
+      }
+
+      return this.renderer.listitem(body);
+    }
+    case 'html': {
+      var html = !this.token.pre && !this.options.pedantic
+        ? this.inline.output(this.token.text)
+        : this.token.text;
+      return this.renderer.html(html);
+    }
+    case 'paragraph': {
+      return this.renderer.paragraph(this.inline.output(this.token.text));
+    }
+    case 'text': {
+      return this.renderer.paragraph(this.parseText());
     }
   }
-
-  return this.tokens;
 };
 
 /**
- * Inline-Level Grammar
+ * Helpers
  */
 
-var inline = {
-  escape: /^\\([\\`*{}\[\]()#+\-.!_>])/,
-  autolink: /^<([^ >]+(@|:\/)[^ >]+)>/,
-  url: noop,
-  tag: /^<!--[\s\S]*?-->|^<\/?\w+(?:"[^"]*"|'[^']*'|[^'">])*?>/,
-  link: /^!?\[(inside)\]\(href\)/,
-  reflink: /^!?\[(inside)\]\s*\[([^\]]*)\]/,
-  nolink: /^!?\[((?:\[[^\]]*\]|[^\[\]])*)\]/,
-  strong: /^__([\s\S]+?)__(?!_)|^\*\*([\s\S]+?)\*\*(?!\*)/,
-  em: /^\b_((?:__|[\s\S])+?)_\b|^\*((?:\*\*|[\s\S])+?)\*(?!\*)/,
-  code: /^(`+)\s*([\s\S]*?[^`])\s*\1(?!`)/,
-  br: /^ {2,}\n(?!\s*$)/,
-  del: noop,
-  text: /^[\s\S]+?(?=[\\<!\[_*`]| {2,}\n|$)/
-};
+function escape(html, encode) {
+  return html
+    .replace(!encode ? /&(?!#?\w+;)/g : /&/g, '&amp;')
+    .replace(/</g, '&lt;')
+    .replace(/>/g, '&gt;')
+    .replace(/"/g, '&quot;')
+    .replace(/'/g, '&#39;');
+}
 
-inline._inside = /(?:\[[^\]]*\]|[^\[\]]|\](?=[^\[]*\]))*/;
-inline._href = /\s*<?([\s\S]*?)>?(?:\s+['"]([\s\S]*?)['"])?\s*/;
+function unescape(html) {
+  return html.replace(/&([#\w]+);/g, function(_, n) {
+    n = n.toLowerCase();
+    if (n === 'colon') return ':';
+    if (n.charAt(0) === '#') {
+      return n.charAt(1) === 'x'
+        ? String.fromCharCode(parseInt(n.substring(2), 16))
+        : String.fromCharCode(+n.substring(1));
+    }
+    return '';
+  });
+}
 
-inline.link = replace(inline.link)
-  ('inside', inline._inside)
-  ('href', inline._href)
-  ();
+function replace(regex, opt) {
+  regex = regex.source;
+  opt = opt || '';
+  return function self(name, val) {
+    if (!name) return new RegExp(regex, opt);
+    val = val.source || val;
+    val = val.replace(/(^|[^\[])\^/g, '$1');
+    regex = regex.replace(name, val);
+    return self;
+  };
+}
 
-inline.reflink = replace(inline.reflink)
-  ('inside', inline._inside)
-  ();
+function noop() {}
+noop.exec = noop;
 
-/**
- * Normal Inline Grammar
- */
+function merge(obj) {
+  var i = 1
+    , target
+    , key;
 
-inline.normal = merge({}, inline);
+  for (; i < arguments.length; i++) {
+    target = arguments[i];
+    for (key in target) {
+      if (Object.prototype.hasOwnProperty.call(target, key)) {
+        obj[key] = target[key];
+      }
+    }
+  }
 
-/**
- * Pedantic Inline Grammar
- */
+  return obj;
+}
 
-inline.pedantic = merge({}, inline.normal, {
-  strong: /^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/,
-  em: /^_(?=\S)([\s\S]*?\S)_(?!_)|^\*(?=\S)([\s\S]*?\S)\*(?!\*)/
-});
 
 /**
- * GFM Inline Grammar
+ * Marked
  */
 
-inline.gfm = merge({}, inline.normal, {
-  escape: replace(inline.escape)('])', '~|])')(),
-  url: /^(https?:\/\/[^\s<]+[^<.,:;"')\]\s])/,
-  del: /^~~(?=\S)([\s\S]*?\S)~~/,
-  text: replace(inline.text)
-    (']|', '~]|')
-    ('|', '|https?://|')
-    ()
-});
+function marked(src, opt, callback) {
+  if (callback || typeof opt === 'function') {
+    if (!callback) {
+      callback = opt;
+      opt = null;
+    }
 
-/**
- * GFM + Line Breaks Inline Grammar
- */
+    opt = merge({}, marked.defaults, opt || {});
 
-inline.breaks = merge({}, inline.gfm, {
-  br: replace(inline.br)('{2,}', '*')(),
-  text: replace(inline.gfm.text)('{2,}', '*')()
-});
+    var highlight = opt.highlight
+      , tokens
+      , pending
+      , i = 0;
 
-/**
- * Inline Lexer & Compiler
- */
+    try {
+      tokens = Lexer.lex(src, opt)
+    } catch (e) {
+      return callback(e);
+    }
 
-function InlineLexer(links, options) {
-  this.options = options || marked.defaults;
-  this.links = links;
-  this.rules = inline.normal;
-  this.renderer = this.options.renderer || new Renderer;
-  this.renderer.options = this.options;
+    pending = tokens.length;
 
-  if (!this.links) {
-    throw new
-      Error('Tokens array requires a `links` property.');
+    var done = function() {
+      var out, err;
+
+      try {
+        out = Parser.parse(tokens, opt);
+      } catch (e) {
+        err = e;
+      }
+
+      opt.highlight = highlight;
+
+      return err
+        ? callback(err)
+        : callback(null, out);
+    };
+
+    if (!highlight || highlight.length < 3) {
+      return done();
+    }
+
+    delete opt.highlight;
+
+    if (!pending) return done();
+
+    for (; i < tokens.length; i++) {
+      (function(token) {
+        if (token.type !== 'code') {
+          return --pending || done();
+        }
+        return highlight(token.text, token.lang, function(err, code) {
+          if (code == null || code === token.text) {
+            return --pending || done();
+          }
+          token.text = code;
+          token.escaped = true;
+          --pending || done();
+        });
+      })(tokens[i]);
+    }
+
+    return;
   }
-
-  if (this.options.gfm) {
-    if (this.options.breaks) {
-      this.rules = inline.breaks;
-    } else {
-      this.rules = inline.gfm;
+  try {
+    if (opt) opt = merge({}, marked.defaults, opt);
+    return Parser.parse(Lexer.lex(src, opt), opt);
+  } catch (e) {
+    e.message += '\nPlease report this to https://github.com/chjj/marked.';
+    if ((opt || marked.defaults).silent) {
+      return '<p>An error occured:</p><pre>'
+        + escape(e.message + '', true)
+        + '</pre>';
     }
-  } else if (this.options.pedantic) {
-    this.rules = inline.pedantic;
+    throw e;
   }
 }
 
 /**
- * Expose Inline Rules
+ * Options
  */
 
-InlineLexer.rules = inline;
-
-/**
- * Static Lexing/Compiling Method
- */
+marked.options =
+marked.setOptions = function(opt) {
+  merge(marked.defaults, opt);
+  return marked;
+};
 
-InlineLexer.output = function(src, links, options) {
-  var inline = new InlineLexer(links, options);
-  return inline.output(src);
+marked.defaults = {
+  gfm: true,
+  tables: true,
+  breaks: false,
+  pedantic: false,
+  sanitize: false,
+  smartLists: false,
+  silent: false,
+  highlight: null,
+  langPrefix: 'lang-',
+  smartypants: false,
+  headerPrefix: '',
+  renderer: new Renderer,
+  xhtml: false
 };
 
 /**
- * Lexing/Compiling
+ * Expose
  */
 
-InlineLexer.prototype.output = function(src) {
-  var out = ''
-    , link
-    , text
-    , href
-    , cap;
+marked.Parser = Parser;
+marked.parser = Parser.parse;
 
-  while (src) {
-    // escape
-    if (cap = this.rules.escape.exec(src)) {
-      src = src.substring(cap[0].length);
-      out += cap[1];
-      continue;
-    }
+marked.Renderer = Renderer;
 
-    // autolink
-    if (cap = this.rules.autolink.exec(src)) {
-      src = src.substring(cap[0].length);
-      if (cap[2] === '@') {
-        text = cap[1].charAt(6) === ':'
-          ? this.mangle(cap[1].substring(7))
-          : this.mangle(cap[1]);
-        href = this.mangle('mailto:') + text;
-      } else {
-        text = escape(cap[1]);
-        href = text;
-      }
-      out += this.renderer.link(href, null, text);
-      continue;
-    }
+marked.Lexer = Lexer;
+marked.lexer = Lexer.lex;
 
-    // url (gfm)
-    if (cap = this.rules.url.exec(src)) {
-      src = src.substring(cap[0].length);
-      text = escape(cap[1]);
-      href = text;
-      out += this.renderer.link(href, null, text);
-      continue;
-    }
+marked.InlineLexer = InlineLexer;
+marked.inlineLexer = InlineLexer.output;
 
-    // tag
-    if (cap = this.rules.tag.exec(src)) {
-      src = src.substring(cap[0].length);
-      out += this.options.sanitize
-        ? escape(cap[0])
-        : cap[0];
-      continue;
-    }
+marked.parse = marked;
 
-    // link
-    if (cap = this.rules.link.exec(src)) {
-      src = src.substring(cap[0].length);
-      out += this.outputLink(cap, {
-        href: cap[2],
-        title: cap[3]
-      });
-      continue;
-    }
+if (typeof exports === 'object') {
+  module.exports = marked;
+} else if (typeof define === 'function' && define.amd) {
+  define(function() { return marked; });
+} else {
+  this.marked = marked;
+}
 
-    // reflink, nolink
-    if ((cap = this.rules.reflink.exec(src))
-        || (cap = this.rules.nolink.exec(src))) {
-      src = src.substring(cap[0].length);
-      link = (cap[2] || cap[1]).replace(/\s+/g, ' ');
-      link = this.links[link.toLowerCase()];
-      if (!link || !link.href) {
-        out += cap[0].charAt(0);
-        src = cap[0].substring(1) + src;
-        continue;
-      }
-      out += this.outputLink(cap, link);
-      continue;
-    }
+}).call(function() {
+  return this || (typeof window !== 'undefined' ? window : global);
+}());
+</script>
+
+<!--
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 
-    // strong
-    if (cap = this.rules.strong.exec(src)) {
-      src = src.substring(cap[0].length);
-      out += this.renderer.strong(this.output(cap[2] || cap[1]));
-      continue;
-    }
 
-    // em
-    if (cap = this.rules.em.exec(src)) {
-      src = src.substring(cap[0].length);
-      out += this.renderer.em(this.output(cap[2] || cap[1]));
-      continue;
-    }
 
-    // code
-    if (cap = this.rules.code.exec(src)) {
-      src = src.substring(cap[0].length);
-      out += this.renderer.codespan(escape(cap[2], true));
-      continue;
-    }
 
-    // br
-    if (cap = this.rules.br.exec(src)) {
-      src = src.substring(cap[0].length);
-      out += this.renderer.br();
-      continue;
-    }
+<polymer-element name="marked-element" attributes="text" assetpath="../marked-element/">
 
-    // del (gfm)
-    if (cap = this.rules.del.exec(src)) {
-      src = src.substring(cap[0].length);
-      out += this.renderer.del(this.output(cap[1]));
-      continue;
-    }
+  <script>
 
-    // text
-    if (cap = this.rules.text.exec(src)) {
-      src = src.substring(cap[0].length);
-      out += escape(this.smartypants(cap[0]));
-      continue;
-    }
+    Polymer('marked-element', {
 
-    if (src) {
-      throw new
-        Error('Infinite loop on byte: ' + src.charCodeAt(0));
-    }
-  }
+      text: '',
 
-  return out;
-};
+      enteredView: function() {
+        marked.setOptions({
+          highlight: this.highlight.bind(this)
+        });
+        if (!this.text) {
+          this.text = this.innerHTML;
+        }
+      },
 
-/**
- * Compile Link
- */
+      textChanged: function () {
+        this.innerHTML = marked(this.text);
+      },
 
-InlineLexer.prototype.outputLink = function(cap, link) {
-  var href = escape(link.href)
-    , title = link.title ? escape(link.title) : null;
+      highlight: function(code, lang) {
+        var event = this.fire('marked-js-highlight', {code: code, lang: lang});
+        return event.detail.code || code;
+      }
 
-  return cap[0].charAt(0) !== '!'
-    ? this.renderer.link(href, title, this.output(cap[1]))
-    : this.renderer.image(href, title, escape(cap[1]));
-};
+    });
 
-/**
- * Smartypants Transformations
- */
+  </script>
 
-InlineLexer.prototype.smartypants = function(text) {
-  if (!this.options.smartypants) return text;
-  return text
-    // em-dashes
-    .replace(/--/g, '\u2014')
-    // opening singles
-    .replace(/(^|[-\u2014/(\[{"\s])'/g, '$1\u2018')
-    // closing singles & apostrophes
-    .replace(/'/g, '\u2019')
-    // opening doubles
-    .replace(/(^|[-\u2014/(\[{\u2018\s])"/g, '$1\u201c')
-    // closing doubles
-    .replace(/"/g, '\u201d')
-    // ellipses
-    .replace(/\.{3}/g, '\u2026');
-};
+</polymer-element>
+
+
+<script>var hljs=new function(){function k(v){return v.replace(/&/gm,"&amp;").replace(/</gm,"&lt;").replace(/>/gm,"&gt;")}function t(v){return v.nodeName.toLowerCase()}function i(w,x){var v=w&&w.exec(x);return v&&v.index==0}function d(v){return Array.prototype.map.call(v.childNodes,function(w){if(w.nodeType==3){return b.useBR?w.nodeValue.replace(/\n/g,""):w.nodeValue}if(t(w)=="br"){return"\n"}return d(w)}).join("")}function r(w){var v=(w.className+" "+(w.parentNode?w.parentNode.className:"")).split(/\s+/);v=v.map(function(x){return x.replace(/^language-/,"")});return v.filter(function(x){return j(x)||x=="no-highlight"})[0]}function o(x,y){var v={};for(var w in x){v[w]=x[w]}if(y){for(var w in y){v[w]=y[w]}}return v}function u(x){var v=[];(function w(y,z){for(var A=y.firstChild;A;A=A.nextSibling){if(A.nodeType==3){z+=A.nodeValue.length}else{if(t(A)=="br"){z+=1}else{if(A.nodeType==1){v.push({event:"start",offset:z,node:A});z=w(A,z);v.push({event:"stop",offset:z,node:A})}}}}return 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EvaluationCompletionAction EvaluationElements EvaluationMode EvaluationMonitor EvaluationNotebook EvaluationObject EvaluationOrder Evaluator EvaluatorNames EvenQ EventData EventEvaluator EventHandler EventHandlerTag EventLabels ExactBlackmanWindow ExactNumberQ ExactRootIsolation ExampleData Except ExcludedForms ExcludePods Exclusions ExclusionsStyle Exists Exit ExitDialog Exp Expand ExpandAll ExpandDenominator ExpandFileName ExpandNumerator Expectation ExpectationE ExpectedValue ExpGammaDistribution ExpIntegralE ExpIntegralEi Exponent ExponentFunction ExponentialDistribution ExponentialFamily ExponentialGeneratingFunction ExponentialMovingAverage ExponentialPowerDistribution ExponentPosition ExponentStep Export ExportAutoReplacements ExportPacket ExportString Expression ExpressionCell ExpressionPacket ExpToTrig ExtendedGCD Extension ExtentElementFunction ExtentMarkers ExtentSize ExternalCall ExternalDataCharacterEncoding Extract ExtractArchive ExtremeValueDistribution FaceForm FaceGrids FaceGridsStyle Factor FactorComplete Factorial Factorial2 FactorialMoment FactorialMomentGeneratingFunction FactorialPower FactorInteger FactorList FactorSquareFree FactorSquareFreeList FactorTerms FactorTermsList Fail FailureDistribution False FARIMAProcess FEDisableConsolePrintPacket FeedbackSector FeedbackSectorStyle FeedbackType FEEnableConsolePrintPacket Fibonacci FieldHint FieldHintStyle FieldMasked FieldSize File FileBaseName FileByteCount FileDate FileExistsQ FileExtension FileFormat FileHash FileInformation FileName FileNameDepth FileNameDialogSettings FileNameDrop FileNameJoin FileNames FileNameSetter FileNameSplit FileNameTake FilePrint FileType FilledCurve FilledCurveBox Filling FillingStyle FillingTransform FilterRules FinancialBond FinancialData FinancialDerivative FinancialIndicator Find FindArgMax FindArgMin FindClique FindClusters FindCurvePath FindDistributionParameters FindDivisions FindEdgeCover FindEdgeCut FindEulerianCycle FindFaces FindFile FindFit FindGeneratingFunction FindGeoLocation FindGeometricTransform FindGraphCommunities FindGraphIsomorphism FindGraphPartition FindHamiltonianCycle FindIndependentEdgeSet FindIndependentVertexSet FindInstance FindIntegerNullVector FindKClan FindKClique FindKClub FindKPlex FindLibrary FindLinearRecurrence FindList FindMaximum FindMaximumFlow FindMaxValue FindMinimum FindMinimumCostFlow FindMinimumCut FindMinValue FindPermutation FindPostmanTour FindProcessParameters FindRoot FindSequenceFunction FindSettings FindShortestPath FindShortestTour FindThreshold FindVertexCover FindVertexCut Fine FinishDynamic FiniteAbelianGroupCount FiniteGroupCount FiniteGroupData First FirstPassageTimeDistribution FischerGroupFi22 FischerGroupFi23 FischerGroupFi24Prime FisherHypergeometricDistribution FisherRatioTest FisherZDistribution Fit FitAll FittedModel FixedPoint FixedPointList FlashSelection Flat Flatten FlattenAt FlatTopWindow FlipView Floor FlushPrintOutputPacket Fold FoldList Font FontColor FontFamily FontForm FontName FontOpacity FontPostScriptName FontProperties FontReencoding FontSize FontSlant FontSubstitutions FontTracking FontVariations FontWeight For ForAll Format FormatRules FormatType FormatTypeAutoConvert FormatValues FormBox FormBoxOptions FortranForm Forward ForwardBackward Fourier FourierCoefficient FourierCosCoefficient FourierCosSeries FourierCosTransform FourierDCT FourierDCTFilter FourierDCTMatrix FourierDST FourierDSTMatrix FourierMatrix FourierParameters FourierSequenceTransform FourierSeries FourierSinCoefficient FourierSinSeries FourierSinTransform FourierTransform FourierTrigSeries FractionalBrownianMotionProcess FractionalPart FractionBox FractionBoxOptions FractionLine Frame FrameBox FrameBoxOptions Framed FrameInset FrameLabel Frameless FrameMargins FrameStyle FrameTicks FrameTicksStyle FRatioDistribution FrechetDistribution FreeQ FrequencySamplingFilterKernel FresnelC FresnelS Friday FrobeniusNumber FrobeniusSolve FromCharacterCode FromCoefficientRules FromContinuedFraction FromDate FromDigits FromDMS Front FrontEndDynamicExpression FrontEndEventActions FrontEndExecute FrontEndObject FrontEndResource FrontEndResourceString FrontEndStackSize FrontEndToken FrontEndTokenExecute FrontEndValueCache FrontEndVersion FrontFaceColor FrontFaceOpacity Full FullAxes FullDefinition FullForm FullGraphics FullOptions FullSimplify Function FunctionExpand FunctionInterpolation FunctionSpace FussellVeselyImportance GaborFilter GaborMatrix GaborWavelet GainMargins GainPhaseMargins Gamma GammaDistribution GammaRegularized GapPenalty Gather GatherBy GaugeFaceElementFunction GaugeFaceStyle GaugeFrameElementFunction GaugeFrameSize GaugeFrameStyle GaugeLabels GaugeMarkers GaugeStyle GaussianFilter GaussianIntegers GaussianMatrix GaussianWindow GCD GegenbauerC General GeneralizedLinearModelFit GenerateConditions GeneratedCell GeneratedParameters GeneratingFunction Generic GenericCylindricalDecomposition GenomeData GenomeLookup GeodesicClosing GeodesicDilation GeodesicErosion GeodesicOpening GeoDestination GeodesyData GeoDirection GeoDistance GeoGridPosition GeometricBrownianMotionProcess GeometricDistribution GeometricMean GeometricMeanFilter GeometricTransformation GeometricTransformation3DBox GeometricTransformation3DBoxOptions GeometricTransformationBox GeometricTransformationBoxOptions GeoPosition GeoPositionENU GeoPositionXYZ GeoProjectionData GestureHandler GestureHandlerTag Get GetBoundingBoxSizePacket GetContext GetEnvironment GetFileName GetFrontEndOptionsDataPacket GetLinebreakInformationPacket GetMenusPacket GetPageBreakInformationPacket Glaisher GlobalClusteringCoefficient GlobalPreferences GlobalSession Glow GoldenRatio GompertzMakehamDistribution GoodmanKruskalGamma GoodmanKruskalGammaTest Goto Grad Gradient GradientFilter GradientOrientationFilter Graph GraphAssortativity GraphCenter GraphComplement GraphData GraphDensity GraphDiameter GraphDifference GraphDisjointUnion GraphDistance GraphDistanceMatrix GraphElementData GraphEmbedding GraphHighlight GraphHighlightStyle GraphHub Graphics Graphics3D Graphics3DBox Graphics3DBoxOptions GraphicsArray GraphicsBaseline GraphicsBox GraphicsBoxOptions GraphicsColor GraphicsColumn GraphicsComplex GraphicsComplex3DBox GraphicsComplex3DBoxOptions GraphicsComplexBox GraphicsComplexBoxOptions GraphicsContents GraphicsData GraphicsGrid GraphicsGridBox GraphicsGroup GraphicsGroup3DBox GraphicsGroup3DBoxOptions GraphicsGroupBox GraphicsGroupBoxOptions GraphicsGrouping GraphicsHighlightColor GraphicsRow GraphicsSpacing GraphicsStyle GraphIntersection GraphLayout GraphLinkEfficiency GraphPeriphery GraphPlot GraphPlot3D GraphPower GraphPropertyDistribution GraphQ GraphRadius GraphReciprocity GraphRoot GraphStyle GraphUnion Gray GrayLevel GreatCircleDistance Greater GreaterEqual GreaterEqualLess GreaterFullEqual GreaterGreater GreaterLess GreaterSlantEqual GreaterTilde Green Grid GridBaseline GridBox GridBoxAlignment GridBoxBackground GridBoxDividers GridBoxFrame GridBoxItemSize GridBoxItemStyle GridBoxOptions GridBoxSpacings GridCreationSettings GridDefaultElement GridElementStyleOptions GridFrame GridFrameMargins GridGraph GridLines GridLinesStyle GroebnerBasis GroupActionBase GroupCentralizer GroupElementFromWord GroupElementPosition GroupElementQ GroupElements GroupElementToWord GroupGenerators GroupMultiplicationTable GroupOrbits GroupOrder GroupPageBreakWithin GroupSetwiseStabilizer GroupStabilizer GroupStabilizerChain Gudermannian GumbelDistribution HaarWavelet HadamardMatrix HalfNormalDistribution HamiltonianGraphQ HammingDistance HammingWindow HankelH1 HankelH2 HankelMatrix HannPoissonWindow HannWindow HaradaNortonGroupHN HararyGraph HarmonicMean HarmonicMeanFilter HarmonicNumber Hash HashTable Haversine HazardFunction Head HeadCompose Heads HeavisideLambda HeavisidePi HeavisideTheta HeldGroupHe HeldPart HelpBrowserLookup HelpBrowserNotebook HelpBrowserSettings HermiteDecomposition HermiteH HermitianMatrixQ HessenbergDecomposition Hessian HexadecimalCharacter Hexahedron HexahedronBox HexahedronBoxOptions HiddenSurface HighlightGraph HighlightImage HighpassFilter HigmanSimsGroupHS HilbertFilter HilbertMatrix Histogram Histogram3D HistogramDistribution HistogramList HistogramTransform HistogramTransformInterpolation HitMissTransform HITSCentrality HodgeDual HoeffdingD HoeffdingDTest Hold HoldAll HoldAllComplete HoldComplete HoldFirst HoldForm HoldPattern HoldRest HolidayCalendar HomeDirectory HomePage Horizontal HorizontalForm HorizontalGauge HorizontalScrollPosition HornerForm HotellingTSquareDistribution HoytDistribution HTMLSave Hue HumpDownHump HumpEqual HurwitzLerchPhi HurwitzZeta HyperbolicDistribution HypercubeGraph HyperexponentialDistribution Hyperfactorial Hypergeometric0F1 Hypergeometric0F1Regularized Hypergeometric1F1 Hypergeometric1F1Regularized Hypergeometric2F1 Hypergeometric2F1Regularized HypergeometricDistribution HypergeometricPFQ HypergeometricPFQRegularized HypergeometricU Hyperlink HyperlinkCreationSettings Hyphenation HyphenationOptions HypoexponentialDistribution HypothesisTestData I Identity IdentityMatrix If IgnoreCase Im Image Image3D Image3DSlices ImageAccumulate ImageAdd ImageAdjust ImageAlign ImageApply ImageAspectRatio ImageAssemble ImageCache ImageCacheValid ImageCapture ImageChannels ImageClip ImageColorSpace ImageCompose ImageConvolve ImageCooccurrence ImageCorners ImageCorrelate ImageCorrespondingPoints ImageCrop ImageData ImageDataPacket ImageDeconvolve ImageDemosaic ImageDifference ImageDimensions ImageDistance ImageEffect ImageFeatureTrack ImageFileApply ImageFileFilter ImageFileScan ImageFilter ImageForestingComponents ImageForwardTransformation ImageHistogram ImageKeypoints ImageLevels ImageLines ImageMargins ImageMarkers ImageMeasurements ImageMultiply ImageOffset ImagePad ImagePadding ImagePartition ImagePeriodogram ImagePerspectiveTransformation ImageQ ImageRangeCache ImageReflect ImageRegion ImageResize ImageResolution ImageRotate ImageRotated ImageScaled ImageScan ImageSize ImageSizeAction ImageSizeCache ImageSizeMultipliers ImageSizeRaw ImageSubtract ImageTake ImageTransformation ImageTrim ImageType ImageValue ImageValuePositions Implies Import ImportAutoReplacements ImportString ImprovementImportance In IncidenceGraph IncidenceList IncidenceMatrix IncludeConstantBasis IncludeFileExtension IncludePods IncludeSingularTerm Increment Indent IndentingNewlineSpacings IndentMaxFraction IndependenceTest IndependentEdgeSetQ IndependentUnit IndependentVertexSetQ Indeterminate IndexCreationOptions Indexed IndexGraph IndexTag Inequality InexactNumberQ InexactNumbers Infinity Infix Information Inherited InheritScope Initialization InitializationCell InitializationCellEvaluation InitializationCellWarning InlineCounterAssignments InlineCounterIncrements InlineRules Inner Inpaint Input InputAliases InputAssumptions InputAutoReplacements InputField InputFieldBox InputFieldBoxOptions InputForm InputGrouping InputNamePacket InputNotebook InputPacket InputSettings InputStream InputString InputStringPacket InputToBoxFormPacket Insert InsertionPointObject InsertResults Inset Inset3DBox Inset3DBoxOptions InsetBox InsetBoxOptions Install InstallService InString Integer IntegerDigits IntegerExponent IntegerLength IntegerPart IntegerPartitions IntegerQ Integers IntegerString Integral Integrate Interactive InteractiveTradingChart Interlaced Interleaving InternallyBalancedDecomposition InterpolatingFunction InterpolatingPolynomial Interpolation InterpolationOrder InterpolationPoints InterpolationPrecision Interpretation InterpretationBox InterpretationBoxOptions InterpretationFunction InterpretTemplate InterquartileRange Interrupt InterruptSettings Intersection Interval IntervalIntersection IntervalMemberQ IntervalUnion Inverse InverseBetaRegularized InverseCDF InverseChiSquareDistribution InverseContinuousWaveletTransform InverseDistanceTransform InverseEllipticNomeQ InverseErf InverseErfc InverseFourier InverseFourierCosTransform InverseFourierSequenceTransform InverseFourierSinTransform InverseFourierTransform InverseFunction InverseFunctions InverseGammaDistribution InverseGammaRegularized InverseGaussianDistribution InverseGudermannian InverseHaversine InverseJacobiCD InverseJacobiCN InverseJacobiCS InverseJacobiDC InverseJacobiDN InverseJacobiDS InverseJacobiNC InverseJacobiND InverseJacobiNS InverseJacobiSC InverseJacobiSD InverseJacobiSN InverseLaplaceTransform InversePermutation InverseRadon InverseSeries InverseSurvivalFunction InverseWaveletTransform InverseWeierstrassP InverseZTransform Invisible InvisibleApplication InvisibleTimes IrreduciblePolynomialQ IsolatingInterval IsomorphicGraphQ IsotopeData Italic Item ItemBox ItemBoxOptions ItemSize ItemStyle ItoProcess JaccardDissimilarity JacobiAmplitude Jacobian JacobiCD JacobiCN JacobiCS JacobiDC JacobiDN JacobiDS JacobiNC JacobiND JacobiNS JacobiP JacobiSC JacobiSD JacobiSN JacobiSymbol JacobiZeta JankoGroupJ1 JankoGroupJ2 JankoGroupJ3 JankoGroupJ4 JarqueBeraALMTest JohnsonDistribution Join Joined JoinedCurve JoinedCurveBox JoinForm JordanDecomposition JordanModelDecomposition K KagiChart KaiserBesselWindow KaiserWindow KalmanEstimator KalmanFilter KarhunenLoeveDecomposition KaryTree KatzCentrality KCoreComponents KDistribution KelvinBei KelvinBer KelvinKei KelvinKer KendallTau KendallTauTest KernelExecute KernelMixtureDistribution KernelObject Kernels Ket Khinchin KirchhoffGraph KirchhoffMatrix KleinInvariantJ KnightTourGraph KnotData KnownUnitQ KolmogorovSmirnovTest KroneckerDelta KroneckerModelDecomposition KroneckerProduct KroneckerSymbol KuiperTest KumaraswamyDistribution Kurtosis KuwaharaFilter Label Labeled LabeledSlider LabelingFunction LabelStyle LaguerreL LambdaComponents LambertW LanczosWindow LandauDistribution Language LanguageCategory LaplaceDistribution LaplaceTransform Laplacian LaplacianFilter LaplacianGaussianFilter Large Larger Last Latitude LatitudeLongitude LatticeData LatticeReduce Launch LaunchKernels LayeredGraphPlot LayerSizeFunction LayoutInformation LCM LeafCount LeapYearQ LeastSquares LeastSquaresFilterKernel Left LeftArrow LeftArrowBar LeftArrowRightArrow LeftDownTeeVector LeftDownVector LeftDownVectorBar LeftRightArrow LeftRightVector LeftTee LeftTeeArrow LeftTeeVector LeftTriangle LeftTriangleBar LeftTriangleEqual LeftUpDownVector LeftUpTeeVector LeftUpVector LeftUpVectorBar LeftVector LeftVectorBar LegendAppearance Legended LegendFunction LegendLabel LegendLayout LegendMargins LegendMarkers LegendMarkerSize LegendreP LegendreQ LegendreType Length LengthWhile LerchPhi Less LessEqual LessEqualGreater LessFullEqual LessGreater LessLess LessSlantEqual LessTilde LetterCharacter LetterQ Level LeveneTest LeviCivitaTensor LevyDistribution Lexicographic LibraryFunction LibraryFunctionError LibraryFunctionInformation LibraryFunctionLoad LibraryFunctionUnload LibraryLoad LibraryUnload LicenseID LiftingFilterData LiftingWaveletTransform LightBlue LightBrown LightCyan Lighter LightGray LightGreen Lighting LightingAngle LightMagenta LightOrange LightPink LightPurple LightRed LightSources LightYellow Likelihood Limit LimitsPositioning LimitsPositioningTokens LindleyDistribution Line Line3DBox LinearFilter LinearFractionalTransform LinearModelFit LinearOffsetFunction LinearProgramming LinearRecurrence LinearSolve LinearSolveFunction LineBox LineBreak LinebreakAdjustments LineBreakChart LineBreakWithin LineColor LineForm LineGraph LineIndent LineIndentMaxFraction LineIntegralConvolutionPlot LineIntegralConvolutionScale LineLegend LineOpacity LineSpacing LineWrapParts LinkActivate LinkClose LinkConnect LinkConnectedQ LinkCreate LinkError LinkFlush LinkFunction LinkHost LinkInterrupt LinkLaunch LinkMode LinkObject LinkOpen LinkOptions LinkPatterns LinkProtocol LinkRead LinkReadHeld LinkReadyQ Links LinkWrite LinkWriteHeld LiouvilleLambda List Listable ListAnimate ListContourPlot ListContourPlot3D ListConvolve ListCorrelate ListCurvePathPlot ListDeconvolve ListDensityPlot Listen ListFourierSequenceTransform ListInterpolation ListLineIntegralConvolutionPlot ListLinePlot ListLogLinearPlot ListLogLogPlot ListLogPlot ListPicker ListPickerBox ListPickerBoxBackground ListPickerBoxOptions ListPlay ListPlot ListPlot3D ListPointPlot3D ListPolarPlot ListQ ListStreamDensityPlot ListStreamPlot ListSurfacePlot3D ListVectorDensityPlot ListVectorPlot ListVectorPlot3D ListZTransform Literal LiteralSearch LocalClusteringCoefficient LocalizeVariables LocationEquivalenceTest LocationTest Locator LocatorAutoCreate LocatorBox LocatorBoxOptions LocatorCentering LocatorPane LocatorPaneBox LocatorPaneBoxOptions LocatorRegion Locked Log Log10 Log2 LogBarnesG LogGamma LogGammaDistribution LogicalExpand LogIntegral LogisticDistribution LogitModelFit LogLikelihood LogLinearPlot LogLogisticDistribution LogLogPlot LogMultinormalDistribution LogNormalDistribution LogPlot LogRankTest LogSeriesDistribution LongEqual Longest LongestAscendingSequence LongestCommonSequence LongestCommonSequencePositions LongestCommonSubsequence LongestCommonSubsequencePositions LongestMatch LongForm Longitude LongLeftArrow LongLeftRightArrow LongRightArrow Loopback LoopFreeGraphQ LowerCaseQ LowerLeftArrow LowerRightArrow LowerTriangularize LowpassFilter LQEstimatorGains LQGRegulator LQOutputRegulatorGains LQRegulatorGains LUBackSubstitution LucasL LuccioSamiComponents LUDecomposition LyapunovSolve LyonsGroupLy MachineID MachineName MachineNumberQ MachinePrecision MacintoshSystemPageSetup Magenta Magnification Magnify MainSolve MaintainDynamicCaches Majority MakeBoxes MakeExpression MakeRules MangoldtLambda ManhattanDistance Manipulate Manipulator MannWhitneyTest MantissaExponent Manual Map MapAll MapAt MapIndexed MAProcess MapThread MarcumQ MardiaCombinedTest MardiaKurtosisTest MardiaSkewnessTest MarginalDistribution MarkovProcessProperties Masking MatchingDissimilarity MatchLocalNameQ MatchLocalNames MatchQ Material MathematicaNotation MathieuC MathieuCharacteristicA MathieuCharacteristicB MathieuCharacteristicExponent MathieuCPrime MathieuGroupM11 MathieuGroupM12 MathieuGroupM22 MathieuGroupM23 MathieuGroupM24 MathieuS MathieuSPrime MathMLForm MathMLText Matrices MatrixExp MatrixForm MatrixFunction MatrixLog MatrixPlot MatrixPower MatrixQ MatrixRank Max MaxBend MaxDetect MaxExtraBandwidths MaxExtraConditions MaxFeatures MaxFilter Maximize MaxIterations MaxMemoryUsed MaxMixtureKernels MaxPlotPoints MaxPoints MaxRecursion MaxStableDistribution MaxStepFraction MaxSteps MaxStepSize MaxValue MaxwellDistribution McLaughlinGroupMcL Mean MeanClusteringCoefficient MeanDegreeConnectivity MeanDeviation MeanFilter MeanGraphDistance MeanNeighborDegree MeanShift MeanShiftFilter Median MedianDeviation MedianFilter Medium MeijerG MeixnerDistribution MemberQ MemoryConstrained MemoryInUse Menu MenuAppearance MenuCommandKey MenuEvaluator MenuItem MenuPacket MenuSortingValue MenuStyle MenuView MergeDifferences Mesh MeshFunctions MeshRange MeshShading MeshStyle Message MessageDialog MessageList MessageName MessageOptions MessagePacket Messages MessagesNotebook MetaCharacters MetaInformation Method MethodOptions MexicanHatWavelet MeyerWavelet Min MinDetect MinFilter MinimalPolynomial MinimalStateSpaceModel Minimize Minors MinRecursion MinSize MinStableDistribution Minus MinusPlus MinValue Missing MissingDataMethod MittagLefflerE MixedRadix MixedRadixQuantity MixtureDistribution Mod Modal Mode Modular ModularLambda Module Modulus MoebiusMu Moment Momentary MomentConvert MomentEvaluate MomentGeneratingFunction Monday Monitor MonomialList MonomialOrder MonsterGroupM MorletWavelet MorphologicalBinarize MorphologicalBranchPoints MorphologicalComponents MorphologicalEulerNumber MorphologicalGraph MorphologicalPerimeter MorphologicalTransform Most MouseAnnotation MouseAppearance MouseAppearanceTag MouseButtons Mouseover MousePointerNote MousePosition MovingAverage MovingMedian MoyalDistribution MultiedgeStyle MultilaunchWarning MultiLetterItalics MultiLetterStyle MultilineFunction Multinomial MultinomialDistribution MultinormalDistribution MultiplicativeOrder Multiplicity Multiselection MultivariateHypergeometricDistribution MultivariatePoissonDistribution MultivariateTDistribution N NakagamiDistribution NameQ Names NamespaceBox Nand NArgMax NArgMin NBernoulliB NCache NDSolve NDSolveValue Nearest NearestFunction NeedCurrentFrontEndPackagePacket NeedCurrentFrontEndSymbolsPacket NeedlemanWunschSimilarity Needs Negative NegativeBinomialDistribution NegativeMultinomialDistribution NeighborhoodGraph Nest NestedGreaterGreater NestedLessLess NestedScriptRules NestList NestWhile NestWhileList NevilleThetaC NevilleThetaD NevilleThetaN NevilleThetaS NewPrimitiveStyle NExpectation Next NextPrime NHoldAll NHoldFirst NHoldRest NicholsGridLines NicholsPlot NIntegrate NMaximize NMaxValue NMinimize NMinValue NominalVariables NonAssociative NoncentralBetaDistribution NoncentralChiSquareDistribution NoncentralFRatioDistribution NoncentralStudentTDistribution NonCommutativeMultiply NonConstants None NonlinearModelFit NonlocalMeansFilter NonNegative NonPositive Nor NorlundB Norm Normal NormalDistribution NormalGrouping Normalize NormalizedSquaredEuclideanDistance NormalsFunction NormFunction Not NotCongruent NotCupCap NotDoubleVerticalBar Notebook NotebookApply NotebookAutoSave NotebookClose NotebookConvertSettings NotebookCreate NotebookCreateReturnObject NotebookDefault NotebookDelete NotebookDirectory NotebookDynamicExpression NotebookEvaluate NotebookEventActions NotebookFileName NotebookFind NotebookFindReturnObject NotebookGet NotebookGetLayoutInformationPacket NotebookGetMisspellingsPacket NotebookInformation NotebookInterfaceObject NotebookLocate NotebookObject NotebookOpen NotebookOpenReturnObject NotebookPath NotebookPrint NotebookPut NotebookPutReturnObject NotebookRead NotebookResetGeneratedCells Notebooks NotebookSave NotebookSaveAs NotebookSelection NotebookSetupLayoutInformationPacket NotebooksMenu NotebookWrite NotElement NotEqualTilde NotExists NotGreater NotGreaterEqual NotGreaterFullEqual NotGreaterGreater NotGreaterLess NotGreaterSlantEqual NotGreaterTilde NotHumpDownHump NotHumpEqual NotLeftTriangle NotLeftTriangleBar NotLeftTriangleEqual NotLess NotLessEqual NotLessFullEqual NotLessGreater NotLessLess NotLessSlantEqual NotLessTilde NotNestedGreaterGreater NotNestedLessLess NotPrecedes NotPrecedesEqual NotPrecedesSlantEqual NotPrecedesTilde NotReverseElement NotRightTriangle NotRightTriangleBar NotRightTriangleEqual NotSquareSubset NotSquareSubsetEqual NotSquareSuperset NotSquareSupersetEqual NotSubset NotSubsetEqual NotSucceeds NotSucceedsEqual NotSucceedsSlantEqual NotSucceedsTilde NotSuperset NotSupersetEqual NotTilde NotTildeEqual NotTildeFullEqual NotTildeTilde NotVerticalBar NProbability NProduct NProductFactors NRoots NSolve NSum NSumTerms Null NullRecords NullSpace NullWords Number NumberFieldClassNumber NumberFieldDiscriminant NumberFieldFundamentalUnits NumberFieldIntegralBasis NumberFieldNormRepresentatives NumberFieldRegulator NumberFieldRootsOfUnity NumberFieldSignature NumberForm NumberFormat NumberMarks NumberMultiplier NumberPadding NumberPoint NumberQ NumberSeparator NumberSigns NumberString Numerator NumericFunction NumericQ NuttallWindow NValues NyquistGridLines NyquistPlot O ObservabilityGramian ObservabilityMatrix ObservableDecomposition ObservableModelQ OddQ Off Offset OLEData On ONanGroupON OneIdentity Opacity Open OpenAppend Opener OpenerBox OpenerBoxOptions OpenerView OpenFunctionInspectorPacket Opening OpenRead OpenSpecialOptions OpenTemporary OpenWrite Operate OperatingSystem OptimumFlowData Optional OptionInspectorSettings OptionQ Options OptionsPacket OptionsPattern OptionValue OptionValueBox OptionValueBoxOptions Or Orange Order OrderDistribution OrderedQ Ordering Orderless OrnsteinUhlenbeckProcess Orthogonalize Out Outer OutputAutoOverwrite OutputControllabilityMatrix OutputControllableModelQ OutputForm OutputFormData OutputGrouping OutputMathEditExpression OutputNamePacket OutputResponse OutputSizeLimit OutputStream Over OverBar OverDot Overflow OverHat Overlaps Overlay OverlayBox OverlayBoxOptions Overscript OverscriptBox OverscriptBoxOptions OverTilde OverVector OwenT OwnValues PackingMethod PaddedForm Padding PadeApproximant PadLeft PadRight PageBreakAbove PageBreakBelow PageBreakWithin PageFooterLines PageFooters PageHeaderLines PageHeaders PageHeight PageRankCentrality PageWidth PairedBarChart PairedHistogram PairedSmoothHistogram PairedTTest PairedZTest PaletteNotebook PalettePath Pane PaneBox PaneBoxOptions Panel PanelBox PanelBoxOptions Paneled PaneSelector PaneSelectorBox PaneSelectorBoxOptions PaperWidth ParabolicCylinderD ParagraphIndent ParagraphSpacing ParallelArray ParallelCombine ParallelDo ParallelEvaluate Parallelization Parallelize ParallelMap ParallelNeeds ParallelProduct ParallelSubmit ParallelSum ParallelTable ParallelTry Parameter ParameterEstimator ParameterMixtureDistribution ParameterVariables ParametricFunction ParametricNDSolve ParametricNDSolveValue ParametricPlot ParametricPlot3D ParentConnect ParentDirectory ParentForm Parenthesize ParentList ParetoDistribution Part PartialCorrelationFunction PartialD ParticleData Partition PartitionsP PartitionsQ ParzenWindow PascalDistribution PassEventsDown PassEventsUp Paste PasteBoxFormInlineCells PasteButton Path PathGraph PathGraphQ Pattern PatternSequence PatternTest PauliMatrix PaulWavelet Pause PausedTime PDF PearsonChiSquareTest PearsonCorrelationTest PearsonDistribution PerformanceGoal PeriodicInterpolation Periodogram PeriodogramArray PermutationCycles PermutationCyclesQ PermutationGroup PermutationLength PermutationList PermutationListQ PermutationMax PermutationMin PermutationOrder PermutationPower PermutationProduct PermutationReplace Permutations PermutationSupport Permute PeronaMalikFilter Perpendicular PERTDistribution PetersenGraph PhaseMargins Pi Pick PIDData PIDDerivativeFilter PIDFeedforward PIDTune Piecewise PiecewiseExpand PieChart PieChart3D PillaiTrace PillaiTraceTest Pink Pivoting PixelConstrained PixelValue PixelValuePositions Placed Placeholder PlaceholderReplace Plain PlanarGraphQ Play PlayRange Plot Plot3D Plot3Matrix PlotDivision PlotJoined PlotLabel PlotLayout PlotLegends PlotMarkers PlotPoints PlotRange PlotRangeClipping PlotRangePadding PlotRegion PlotStyle Plus PlusMinus Pochhammer PodStates PodWidth Point Point3DBox PointBox PointFigureChart PointForm PointLegend PointSize PoissonConsulDistribution PoissonDistribution PoissonProcess PoissonWindow PolarAxes PolarAxesOrigin PolarGridLines PolarPlot PolarTicks PoleZeroMarkers PolyaAeppliDistribution PolyGamma Polygon Polygon3DBox Polygon3DBoxOptions PolygonBox PolygonBoxOptions PolygonHoleScale PolygonIntersections PolygonScale PolyhedronData PolyLog PolynomialExtendedGCD PolynomialForm PolynomialGCD PolynomialLCM PolynomialMod PolynomialQ PolynomialQuotient PolynomialQuotientRemainder PolynomialReduce PolynomialRemainder Polynomials PopupMenu PopupMenuBox PopupMenuBoxOptions PopupView PopupWindow Position Positive PositiveDefiniteMatrixQ PossibleZeroQ Postfix PostScript Power PowerDistribution PowerExpand PowerMod PowerModList PowerSpectralDensity PowersRepresentations PowerSymmetricPolynomial Precedence PrecedenceForm Precedes PrecedesEqual PrecedesSlantEqual PrecedesTilde Precision PrecisionGoal PreDecrement PredictionRoot PreemptProtect PreferencesPath Prefix PreIncrement Prepend PrependTo PreserveImageOptions Previous PriceGraphDistribution PrimaryPlaceholder Prime PrimeNu PrimeOmega PrimePi PrimePowerQ PrimeQ Primes PrimeZetaP PrimitiveRoot PrincipalComponents PrincipalValue Print PrintAction PrintForm PrintingCopies PrintingOptions PrintingPageRange PrintingStartingPageNumber PrintingStyleEnvironment PrintPrecision PrintTemporary Prism PrismBox PrismBoxOptions PrivateCellOptions PrivateEvaluationOptions PrivateFontOptions PrivateFrontEndOptions PrivateNotebookOptions PrivatePaths Probability ProbabilityDistribution ProbabilityPlot ProbabilityPr ProbabilityScalePlot ProbitModelFit ProcessEstimator ProcessParameterAssumptions ProcessParameterQ ProcessStateDomain ProcessTimeDomain Product ProductDistribution ProductLog ProgressIndicator ProgressIndicatorBox ProgressIndicatorBoxOptions Projection Prolog PromptForm Properties Property PropertyList PropertyValue Proportion Proportional Protect Protected ProteinData Pruning PseudoInverse Purple Put PutAppend Pyramid PyramidBox PyramidBoxOptions QBinomial QFactorial QGamma QHypergeometricPFQ QPochhammer QPolyGamma QRDecomposition QuadraticIrrationalQ Quantile QuantilePlot Quantity QuantityForm QuantityMagnitude QuantityQ QuantityUnit Quartics QuartileDeviation Quartiles QuartileSkewness QueueingNetworkProcess QueueingProcess QueueProperties Quiet Quit Quotient QuotientRemainder RadialityCentrality RadicalBox RadicalBoxOptions RadioButton RadioButtonBar RadioButtonBox RadioButtonBoxOptions Radon RamanujanTau RamanujanTauL RamanujanTauTheta RamanujanTauZ Random RandomChoice RandomComplex RandomFunction RandomGraph RandomImage RandomInteger RandomPermutation RandomPrime RandomReal RandomSample RandomSeed RandomVariate RandomWalkProcess Range RangeFilter RangeSpecification RankedMax RankedMin Raster Raster3D Raster3DBox Raster3DBoxOptions RasterArray RasterBox RasterBoxOptions Rasterize RasterSize Rational RationalFunctions Rationalize Rationals Ratios Raw RawArray RawBoxes RawData RawMedium RayleighDistribution Re Read ReadList ReadProtected Real RealBlockDiagonalForm RealDigits RealExponent Reals Reap Record RecordLists RecordSeparators Rectangle RectangleBox RectangleBoxOptions RectangleChart RectangleChart3D RecurrenceFilter RecurrenceTable RecurringDigitsForm Red Reduce RefBox ReferenceLineStyle ReferenceMarkers ReferenceMarkerStyle Refine ReflectionMatrix ReflectionTransform Refresh RefreshRate RegionBinarize RegionFunction RegionPlot RegionPlot3D RegularExpression Regularization Reinstall Release ReleaseHold ReliabilityDistribution ReliefImage ReliefPlot Remove RemoveAlphaChannel RemoveAsynchronousTask Removed RemoveInputStreamMethod RemoveOutputStreamMethod RemoveProperty RemoveScheduledTask RenameDirectory RenameFile RenderAll RenderingOptions RenewalProcess RenkoChart Repeated RepeatedNull RepeatedString Replace ReplaceAll ReplaceHeldPart ReplaceImageValue ReplaceList ReplacePart ReplacePixelValue ReplaceRepeated Resampling Rescale RescalingTransform ResetDirectory ResetMenusPacket ResetScheduledTask Residue Resolve Rest Resultant ResumePacket Return ReturnExpressionPacket ReturnInputFormPacket ReturnPacket ReturnTextPacket Reverse ReverseBiorthogonalSplineWavelet ReverseElement ReverseEquilibrium ReverseGraph ReverseUpEquilibrium RevolutionAxis RevolutionPlot3D RGBColor RiccatiSolve RiceDistribution RidgeFilter RiemannR RiemannSiegelTheta RiemannSiegelZ Riffle Right RightArrow RightArrowBar RightArrowLeftArrow RightCosetRepresentative RightDownTeeVector RightDownVector RightDownVectorBar RightTee RightTeeArrow RightTeeVector RightTriangle RightTriangleBar RightTriangleEqual RightUpDownVector RightUpTeeVector RightUpVector RightUpVectorBar RightVector RightVectorBar RiskAchievementImportance RiskReductionImportance RogersTanimotoDissimilarity Root RootApproximant RootIntervals RootLocusPlot RootMeanSquare RootOfUnityQ RootReduce Roots RootSum Rotate RotateLabel RotateLeft RotateRight RotationAction RotationBox RotationBoxOptions RotationMatrix RotationTransform Round RoundImplies RoundingRadius Row RowAlignments RowBackgrounds RowBox RowHeights RowLines RowMinHeight RowReduce RowsEqual RowSpacings RSolve RudvalisGroupRu Rule RuleCondition RuleDelayed RuleForm RulerUnits Run RunScheduledTask RunThrough RuntimeAttributes RuntimeOptions RussellRaoDissimilarity SameQ SameTest SampleDepth SampledSoundFunction SampledSoundList SampleRate SamplingPeriod SARIMAProcess SARMAProcess SatisfiabilityCount SatisfiabilityInstances SatisfiableQ Saturday Save Saveable SaveAutoDelete SaveDefinitions SawtoothWave Scale Scaled ScaleDivisions ScaledMousePosition ScaleOrigin ScalePadding ScaleRanges ScaleRangeStyle ScalingFunctions ScalingMatrix ScalingTransform Scan ScheduledTaskActiveQ ScheduledTaskData ScheduledTaskObject ScheduledTasks SchurDecomposition ScientificForm ScreenRectangle ScreenStyleEnvironment ScriptBaselineShifts ScriptLevel ScriptMinSize ScriptRules ScriptSizeMultipliers Scrollbars ScrollingOptions ScrollPosition Sec Sech SechDistribution SectionGrouping SectorChart SectorChart3D SectorOrigin SectorSpacing SeedRandom Select Selectable SelectComponents SelectedCells SelectedNotebook Selection SelectionAnimate SelectionCell SelectionCellCreateCell SelectionCellDefaultStyle SelectionCellParentStyle SelectionCreateCell SelectionDebuggerTag SelectionDuplicateCell SelectionEvaluate SelectionEvaluateCreateCell SelectionMove SelectionPlaceholder SelectionSetStyle SelectWithContents SelfLoops SelfLoopStyle SemialgebraicComponentInstances SendMail Sequence SequenceAlignment SequenceForm SequenceHold SequenceLimit Series SeriesCoefficient SeriesData SessionTime Set SetAccuracy SetAlphaChannel SetAttributes Setbacks SetBoxFormNamesPacket SetDelayed SetDirectory SetEnvironment SetEvaluationNotebook SetFileDate SetFileLoadingContext SetNotebookStatusLine SetOptions SetOptionsPacket SetPrecision SetProperty SetSelectedNotebook SetSharedFunction SetSharedVariable SetSpeechParametersPacket SetStreamPosition SetSystemOptions Setter SetterBar SetterBox SetterBoxOptions Setting SetValue Shading Shallow ShannonWavelet ShapiroWilkTest Share Sharpen ShearingMatrix ShearingTransform ShenCastanMatrix Short ShortDownArrow Shortest ShortestMatch ShortestPathFunction ShortLeftArrow ShortRightArrow ShortUpArrow Show ShowAutoStyles ShowCellBracket ShowCellLabel ShowCellTags ShowClosedCellArea ShowContents ShowControls ShowCursorTracker ShowGroupOpenCloseIcon ShowGroupOpener ShowInvisibleCharacters ShowPageBreaks ShowPredictiveInterface ShowSelection ShowShortBoxForm ShowSpecialCharacters ShowStringCharacters ShowSyntaxStyles ShrinkingDelay ShrinkWrapBoundingBox SiegelTheta SiegelTukeyTest Sign Signature SignedRankTest SignificanceLevel SignPadding SignTest SimilarityRules SimpleGraph SimpleGraphQ Simplify Sin Sinc SinghMaddalaDistribution SingleEvaluation SingleLetterItalics SingleLetterStyle SingularValueDecomposition SingularValueList SingularValuePlot SingularValues Sinh SinhIntegral SinIntegral SixJSymbol Skeleton SkeletonTransform SkellamDistribution Skewness SkewNormalDistribution Skip SliceDistribution Slider Slider2D Slider2DBox Slider2DBoxOptions SliderBox SliderBoxOptions SlideView Slot SlotSequence Small SmallCircle Smaller SmithDelayCompensator SmithWatermanSimilarity SmoothDensityHistogram SmoothHistogram SmoothHistogram3D SmoothKernelDistribution SocialMediaData Socket SokalSneathDissimilarity Solve SolveAlways SolveDelayed Sort SortBy Sound SoundAndGraphics SoundNote SoundVolume Sow Space SpaceForm Spacer Spacings Span SpanAdjustments SpanCharacterRounding SpanFromAbove SpanFromBoth SpanFromLeft SpanLineThickness SpanMaxSize SpanMinSize SpanningCharacters SpanSymmetric SparseArray SpatialGraphDistribution Speak SpeakTextPacket SpearmanRankTest SpearmanRho Spectrogram SpectrogramArray Specularity SpellingCorrection SpellingDictionaries SpellingDictionariesPath SpellingOptions SpellingSuggestionsPacket Sphere SphereBox SphericalBesselJ SphericalBesselY SphericalHankelH1 SphericalHankelH2 SphericalHarmonicY SphericalPlot3D SphericalRegion SpheroidalEigenvalue SpheroidalJoiningFactor SpheroidalPS SpheroidalPSPrime SpheroidalQS SpheroidalQSPrime SpheroidalRadialFactor SpheroidalS1 SpheroidalS1Prime SpheroidalS2 SpheroidalS2Prime Splice SplicedDistribution SplineClosed SplineDegree SplineKnots SplineWeights Split SplitBy SpokenString Sqrt SqrtBox SqrtBoxOptions Square SquaredEuclideanDistance SquareFreeQ SquareIntersection SquaresR SquareSubset SquareSubsetEqual SquareSuperset SquareSupersetEqual SquareUnion SquareWave StabilityMargins StabilityMarginsStyle StableDistribution Stack StackBegin StackComplete StackInhibit StandardDeviation StandardDeviationFilter StandardForm Standardize StandbyDistribution Star StarGraph StartAsynchronousTask StartingStepSize StartOfLine StartOfString StartScheduledTask StartupSound StateDimensions StateFeedbackGains StateOutputEstimator StateResponse StateSpaceModel StateSpaceRealization StateSpaceTransform StationaryDistribution StationaryWaveletPacketTransform StationaryWaveletTransform StatusArea StatusCentrality StepMonitor StieltjesGamma StirlingS1 StirlingS2 StopAsynchronousTask StopScheduledTask StrataVariables StratonovichProcess StreamColorFunction StreamColorFunctionScaling StreamDensityPlot StreamPlot StreamPoints StreamPosition Streams StreamScale StreamStyle String StringBreak 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noexcept nullptr static_assert thread_local restrict _Bool complex _Complex _Imaginary",built_in:"std string cin cout cerr clog stringstream istringstream ostringstream auto_ptr deque list queue stack vector map set bitset multiset multimap unordered_set unordered_map unordered_multiset unordered_multimap array shared_ptr abort abs acos asin atan2 atan calloc ceil cosh cos exit exp fabs floor fmod fprintf fputs free frexp fscanf isalnum isalpha iscntrl isdigit isgraph islower isprint ispunct isspace isupper isxdigit tolower toupper labs ldexp log10 log malloc memchr memcmp memcpy memset modf pow printf putchar puts scanf sinh sin snprintf sprintf sqrt sscanf strcat strchr strcmp strcpy strcspn strlen strncat strncmp strncpy strpbrk strrchr strspn strstr tanh tan vfprintf vprintf vsprintf"};return{aliases:["c"],k:b,i:"</",c:[a.CLCM,a.CBLCLM,a.QSM,{cN:"string",b:"'\\\\?.",e:"'",i:"."},{cN:"number",b:"\\b(\\d+(\\.\\d*)?|\\.\\d+)(u|U|l|L|ul|UL|f|F)"},a.CNM,{cN:"preprocessor",b:"#",e:"$",c:[{b:"include\\s*<",e:">",i:"\\n"},a.CLCM]},{cN:"stl_container",b:"\\b(deque|list|queue|stack|vector|map|set|bitset|multiset|multimap|unordered_map|unordered_set|unordered_multiset|unordered_multimap|array)\\s*<",e:">",k:b,r:10,c:["self"]}]}});</script>
+
+
+
+
+<!--
+Element wrapper for the `highlightjs` (http://highlightjs.org/) library.
+
+##### Example
+
+    <highlightjs-element text="def somefunc(param1='', param2=0):"></highlightjs-element>
+
+##### Example
+
+    <highlightjs-element>
+      <template>
+    
+        <link rel="import" href="/components/polymer/polymer.html">
+        <polymer-element name="proto-element">
+        <template>
+          <span>I'm <b>proto-element</b>. Check out my prototype.</span>
+        </template>
+        <script>
+          Polymer({
+          });
+        </script>
+        </polymer-element>
+    
+      </template>
+    </highlightjs-element>
+
+@class highlightjs-element
+@blurb Element wrapper for the highlightjs library.
+@status alpha
+@snap snap.png
+-->
+<polymer-element name="highlightjs-element" attributes="text" assetpath="../highlightjs-element/">
+
+  <template>
+
+    <style>
+      :host {
+        display: block;
+      }
+    </style>
+
+    <style>/*
+
+Original style from softwaremaniacs.org (c) Ivan Sagalaev <Maniac@SoftwareManiacs.Org>
 
-/**
- * Mangle Links
- */
+*/
 
-InlineLexer.prototype.mangle = function(text) {
-  var out = ''
-    , l = text.length
-    , i = 0
-    , ch;
+.hljs {
+  display: block; padding: 0.5em;
+  background: #F0F0F0;
+}
 
-  for (; i < l; i++) {
-    ch = text.charCodeAt(i);
-    if (Math.random() > 0.5) {
-      ch = 'x' + ch.toString(16);
-    }
-    out += '&#' + ch + ';';
-  }
+.hljs,
+.hljs-subst,
+.hljs-tag .hljs-title,
+.lisp .hljs-title,
+.clojure .hljs-built_in,
+.nginx .hljs-title {
+  color: black;
+}
 
-  return out;
-};
+.hljs-string,
+.hljs-title,
+.hljs-constant,
+.hljs-parent,
+.hljs-tag .hljs-value,
+.hljs-rules .hljs-value,
+.hljs-rules .hljs-value .hljs-number,
+.hljs-preprocessor,
+.hljs-pragma,
+.haml .hljs-symbol,
+.ruby .hljs-symbol,
+.ruby .hljs-symbol .hljs-string,
+.hljs-aggregate,
+.hljs-template_tag,
+.django .hljs-variable,
+.smalltalk .hljs-class,
+.hljs-addition,
+.hljs-flow,
+.hljs-stream,
+.bash .hljs-variable,
+.apache .hljs-tag,
+.apache .hljs-cbracket,
+.tex .hljs-command,
+.tex .hljs-special,
+.erlang_repl .hljs-function_or_atom,
+.asciidoc .hljs-header,
+.markdown .hljs-header,
+.coffeescript .hljs-attribute {
+  color: #800;
+}
 
-/**
- * Renderer
- */
+.smartquote,
+.hljs-comment,
+.hljs-annotation,
+.hljs-template_comment,
+.diff .hljs-header,
+.hljs-chunk,
+.asciidoc .hljs-blockquote,
+.markdown .hljs-blockquote {
+  color: #888;
+}
 
-function Renderer(options) {
-  this.options = options || {};
+.hljs-number,
+.hljs-date,
+.hljs-regexp,
+.hljs-literal,
+.hljs-hexcolor,
+.smalltalk .hljs-symbol,
+.smalltalk .hljs-char,
+.go .hljs-constant,
+.hljs-change,
+.lasso .hljs-variable,
+.makefile .hljs-variable,
+.asciidoc .hljs-bullet,
+.markdown .hljs-bullet,
+.asciidoc .hljs-link_url,
+.markdown .hljs-link_url {
+  color: #080;
 }
 
-Renderer.prototype.code = function(code, lang, escaped) {
-  if (this.options.highlight) {
-    var out = this.options.highlight(code, lang);
-    if (out != null && out !== code) {
-      escaped = true;
-      code = out;
-    }
-  }
+.hljs-label,
+.hljs-javadoc,
+.ruby .hljs-string,
+.hljs-decorator,
+.hljs-filter .hljs-argument,
+.hljs-localvars,
+.hljs-array,
+.hljs-attr_selector,
+.hljs-important,
+.hljs-pseudo,
+.hljs-pi,
+.haml .hljs-bullet,
+.hljs-doctype,
+.hljs-deletion,
+.hljs-envvar,
+.hljs-shebang,
+.apache .hljs-sqbracket,
+.nginx .hljs-built_in,
+.tex .hljs-formula,
+.erlang_repl .hljs-reserved,
+.hljs-prompt,
+.asciidoc .hljs-link_label,
+.markdown .hljs-link_label,
+.vhdl .hljs-attribute,
+.clojure .hljs-attribute,
+.asciidoc .hljs-attribute,
+.lasso .hljs-attribute,
+.coffeescript .hljs-property,
+.hljs-phony {
+  color: #88F
+}
 
-  if (!lang) {
-    return '<pre><code>'
-      + (escaped ? code : escape(code, true))
-      + '\n</code></pre>';
-  }
+.hljs-keyword,
+.hljs-id,
+.hljs-title,
+.hljs-built_in,
+.hljs-aggregate,
+.css .hljs-tag,
+.hljs-javadoctag,
+.hljs-phpdoc,
+.hljs-yardoctag,
+.smalltalk .hljs-class,
+.hljs-winutils,
+.bash .hljs-variable,
+.apache .hljs-tag,
+.go .hljs-typename,
+.tex .hljs-command,
+.asciidoc .hljs-strong,
+.markdown .hljs-strong,
+.hljs-request,
+.hljs-status {
+  font-weight: bold;
+}
 
-  return '<pre><code class="'
-    + this.options.langPrefix
-    + escape(lang, true)
-    + '">'
-    + (escaped ? code : escape(code, true))
-    + '\n</code></pre>\n';
-};
+.asciidoc .hljs-emphasis,
+.markdown .hljs-emphasis {
+  font-style: italic;
+}
 
-Renderer.prototype.blockquote = function(quote) {
-  return '<blockquote>\n' + quote + '</blockquote>\n';
-};
+.nginx .hljs-built_in {
+  font-weight: normal;
+}
 
-Renderer.prototype.html = function(html) {
-  return html;
-};
+.coffeescript .javascript,
+.javascript .xml,
+.lasso .markup,
+.tex .hljs-formula,
+.xml .javascript,
+.xml .vbscript,
+.xml .css,
+.xml .hljs-cdata {
+  opacity: 0.5;
+}
+</style>
+    <style>/* Base16 Atelier Forest Light - Theme */
+/* by Bram de Haan (http://atelierbram.github.io/syntax-highlighting/atelier-schemes/forest) */ 
+/* Original Base16 color scheme by Chris Kempson (https://github.com/chriskempson/base16) */
+/* https://github.com/jmblog/color-themes-for-highlightjs */
+
+/* Atelier Forest Light Comment */
+.hljs-comment,
+.hljs-title {
+  color: #766e6b;
+}
 
-Renderer.prototype.heading = function(text, level, raw) {
-  return '<h'
-    + level
-    + ' id="'
-    + this.options.headerPrefix
-    + raw.toLowerCase().replace(/[^\w]+/g, '-')
-    + '">'
-    + text
-    + '</h'
-    + level
-    + '>\n';
-};
+/* Atelier Forest Light Red */
+.hljs-variable,
+.hljs-attribute,
+.hljs-tag,
+.hljs-regexp,
+.ruby .hljs-constant,
+.xml .hljs-tag .hljs-title,
+.xml .hljs-pi,
+.xml .hljs-doctype,
+.html .hljs-doctype,
+.css .hljs-id,
+.css .hljs-class,
+.css .hljs-pseudo {
+  color: #f22c40;
+}
 
-Renderer.prototype.hr = function() {
-  return '<hr>\n';
-};
+/* Atelier Forest Light Orange */
+.hljs-number,
+.hljs-preprocessor,
+.hljs-pragma,
+.hljs-built_in,
+.hljs-literal,
+.hljs-params,
+.hljs-constant {
+  color: #df5320;
+}
 
-Renderer.prototype.list = function(body, ordered) {
-  var type = ordered ? 'ol' : 'ul';
-  return '<' + type + '>\n' + body + '</' + type + '>\n';
-};
+/* Atelier Forest Light Yellow */
+.hljs-ruby .hljs-class .hljs-title,
+.css .hljs-rules .hljs-attribute {
+  color: #d5911a;
+}
 
-Renderer.prototype.listitem = function(text) {
-  return '<li>' + text + '</li>\n';
-};
+/* Atelier Forest Light Green */
+.hljs-string,
+.hljs-value,
+.hljs-inheritance,
+.hljs-header,
+.ruby .hljs-symbol,
+.xml .hljs-cdata {
+  color: #5ab738;
+}
 
-Renderer.prototype.paragraph = function(text) {
-  return '<p>' + text + '</p>\n';
-};
+/* Atelier Forest Light Aqua */
+.css .hljs-hexcolor {
+  color: #00ad9c;
+}
 
-Renderer.prototype.table = function(header, body) {
-  return '<table>\n'
-    + '<thead>\n'
-    + header
-    + '</thead>\n'
-    + '<tbody>\n'
-    + body
-    + '</tbody>\n'
-    + '</table>\n';
-};
+/* Atelier Forest Light Blue */
+.hljs-function,
+.python .hljs-decorator,
+.python .hljs-title,
+.ruby .hljs-function .hljs-title,
+.ruby .hljs-title .hljs-keyword,
+.perl .hljs-sub,
+.javascript .hljs-title,
+.coffeescript .hljs-title {
+  color: #407ee7;
+}
 
-Renderer.prototype.tablerow = function(content) {
-  return '<tr>\n' + content + '</tr>\n';
-};
+/* Atelier Forest Light Purple */
+.hljs-keyword,
+.javascript .hljs-function {
+  color: #6666ea;
+}
 
-Renderer.prototype.tablecell = function(content, flags) {
-  var type = flags.header ? 'th' : 'td';
-  var tag = flags.align
-    ? '<' + type + ' style="text-align:' + flags.align + '">'
-    : '<' + type + '>';
-  return tag + content + '</' + type + '>\n';
-};
+.hljs {
+  display: block;
+  background: #f1efee;
+  color: #68615e;
+  padding: 0.5em;
+}
 
-// span level renderer
-Renderer.prototype.strong = function(text) {
-  return '<strong>' + text + '</strong>';
-};
+.coffeescript .javascript,
+.javascript .xml,
+.tex .hljs-formula,
+.xml .javascript,
+.xml .vbscript,
+.xml .css,
+.xml .hljs-cdata {
+  opacity: 0.5;
+}
+</style>
 
-Renderer.prototype.em = function(text) {
-  return '<em>' + text + '</em>';
-};
+    <pre id="content"></pre>
 
-Renderer.prototype.codespan = function(text) {
-  return '<code>' + text + '</code>';
-};
+  </template>
 
-Renderer.prototype.br = function() {
-  return '<br>';
-};
+  <script>
 
-Renderer.prototype.del = function(text) {
-  return '<del>' + text + '</del>';
-};
+    Polymer('highlightjs-element', {
 
-Renderer.prototype.link = function(href, title, text) {
-  if (this.options.sanitize) {
-    try {
-      var prot = decodeURIComponent(unescape(href))
-        .replace(/[^\w:]/g, '')
-        .toLowerCase();
-    } catch (e) {
-      return '';
-    }
-    if (prot.indexOf('javascript:') === 0) {
-      return '';
-    }
-  }
-  var out = '<a href="' + href + '"';
-  if (title) {
-    out += ' title="' + title + '"';
-  }
-  out += '>' + text + '</a>';
-  return out;
-};
+      ready: function() {
+        if (!this.text) {
+          if (this.firstElementChild && this.firstElementChild.localName === 'template') {
+            this.text = this.firstElementChild.innerHTML;
+          } else {
+            this.text = this.innerHTML;
+          }
+        }
+      },
 
-Renderer.prototype.image = function(href, title, text) {
-  var out = '<img src="' + href + '" alt="' + text + '"';
-  if (title) {
-    out += ' title="' + title + '"';
-  }
-  out += '>';
-  return out;
-};
+      textChanged: function() {
+        this.$.content.innerHTML = hljs.highlightAuto(this.text || '').value;
+      }
 
-/**
- * Parsing & Compiling
- */
+    });
 
-function Parser(options) {
-  this.tokens = [];
-  this.token = null;
-  this.options = options || marked.defaults;
-  this.options.renderer = this.options.renderer || new Renderer;
-  this.renderer = this.options.renderer;
-  this.renderer.options = this.options;
-}
+  </script>
 
+</polymer-element>
+
+<!--
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
+<!--
 /**
- * Static Parse Method
+ * @group Polymer Core Elements
+ *
+ * core-xhr can be used to perform XMLHttpRequests.
+ *
+ *     <core-xhr id="xhr"></core-xhr>
+ *     ...
+ *     this.$.xhr.request({url: url, params: params, callback: callback});
+ *
+ * @element core-xhr
  */
+-->
 
-Parser.parse = function(src, options, renderer) {
-  var parser = new Parser(options, renderer);
-  return parser.parse(src);
-};
 
-/**
- * Parse Loop
- */
 
-Parser.prototype.parse = function(src) {
-  this.inline = new InlineLexer(src.links, this.options, this.renderer);
-  this.tokens = src.reverse();
+<polymer-element name="core-xhr" assetpath="../core-ajax/">
 
-  var out = '';
-  while (this.next()) {
-    out += this.tok();
-  }
+  <template>
 
-  return out;
-};
+    <style>
+      :host {
+        display: none;
+      }
+    </style>
 
-/**
- * Next Token
- */
+  </template>
+
+  <script>
+
+    Polymer('core-xhr', {
+
+      makeReadyStateHandler: function(xhr, callback) {
+        xhr.onreadystatechange = function() {
+          if (xhr.readyState == 4) {
+            callback && callback.call(null, xhr.response, xhr);
+          }
+        };
+      },
+
+      setRequestHeaders: function(xhr, headers) {
+        if (headers) {
+          for (var name in headers) {
+            xhr.setRequestHeader(name, headers[name]);
+          }
+        }
+      },
 
-Parser.prototype.next = function() {
-  return this.token = this.tokens.pop();
-};
+      toQueryString: function(params) {
+        var r = [];
+        for (var n in params) {
+          var v = params[n];
+          n = encodeURIComponent(n);
+          r.push(v == null ? n : (n + '=' + encodeURIComponent(v)));
+        }
+        return r.join('&');
+      },
 
-/**
- * Preview Next Token
- */
+      /**
+       * Sends a HTTP request to the server and returns the XHR object.
+       *
+       * @method request
+       * @param {Object} inOptions
+       *    @param {String} inOptions.url The url to which the request is sent.
+       *    @param {String} inOptions.method The HTTP method to use, default is GET.
+       *    @param {boolean} inOptions.sync By default, all requests are sent asynchronously. To send synchronous requests, set to true.
+       *    @param {Object} inOptions.params Data to be sent to the server.
+       *    @param {Object} inOptions.body The content for the request body for POST method.
+       *    @param {Object} inOptions.headers HTTP request headers.
+       *    @param {String} inOptions.responseType The response type. Default is 'text'.
+       *    @param {boolean} inOptions.withCredentials Whether or not to send credentials on the request. Default is false.
+       *    @param {Object} inOptions.callback Called when request is completed.
+       * @returns {Object} XHR object.
+       */
+      request: function(options) {
+        var xhr = new XMLHttpRequest();
+        var url = options.url;
+        var method = options.method || 'GET';
+        var async = !options.sync;
+        var params = this.toQueryString(options.params);
+        if (params && method == 'GET') {
+          url += (url.indexOf('?') > 0 ? '&' : '?') + params;
+        }
+        xhr.open(method, url, async);
+        if (options.responseType) {
+          xhr.responseType = options.responseType;
+        }
+        if (options.withCredentials) {
+          xhr.withCredentials = true;
+        }
+        this.makeReadyStateHandler(xhr, options.callback);
+        this.setRequestHeaders(xhr, options.headers);
+        xhr.send(method == 'POST' ? (options.body || params) : null);
+        if (!async) {
+          xhr.onreadystatechange(xhr);
+        }
+        return xhr;
+      }
 
-Parser.prototype.peek = function() {
-  return this.tokens[this.tokens.length - 1] || 0;
-};
+    });
 
-/**
- * Parse Text Tokens
- */
+  </script>
+  
+</polymer-element>
+
+<!--
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
 
-Parser.prototype.parseText = function() {
-  var body = this.token.text;
+<!--
+@group Polymer Core Elements
 
-  while (this.peek().type === 'text') {
-    body += '\n' + this.next().text;
-  }
+The `core-ajax` element exposes `XMLHttpRequest` functionality.
 
-  return this.inline.output(body);
-};
+    <core-ajax
+        auto
+        url="http://gdata.youtube.com/feeds/api/videos/"
+        params='{"alt":"json", "q":"chrome"}'
+        handleAs="json"
+        on-core-response="{{handleResponse}}"></core-ajax>
+ 
+With `auto` set to `true`, the element performs a request whenever
+its `url` or `params` properties are changed.
 
-/**
- * Parse Current Token
- */
+Note: The `params` attribute must be double quoted JSON.
 
-Parser.prototype.tok = function() {
-  switch (this.token.type) {
-    case 'space': {
-      return '';
-    }
-    case 'hr': {
-      return this.renderer.hr();
-    }
-    case 'heading': {
-      return this.renderer.heading(
-        this.inline.output(this.token.text),
-        this.token.depth,
-        this.token.text);
-    }
-    case 'code': {
-      return this.renderer.code(this.token.text,
-        this.token.lang,
-        this.token.escaped);
-    }
-    case 'table': {
-      var header = ''
-        , body = ''
-        , i
-        , row
-        , cell
-        , flags
-        , j;
+You can trigger a request explicitly by calling `go` on the
+element.
 
-      // header
-      cell = '';
-      for (i = 0; i < this.token.header.length; i++) {
-        flags = { header: true, align: this.token.align[i] };
-        cell += this.renderer.tablecell(
-          this.inline.output(this.token.header[i]),
-          { header: true, align: this.token.align[i] }
-        );
-      }
-      header += this.renderer.tablerow(cell);
+@element core-ajax
+@status beta
+@homepage github.io
+-->
 
-      for (i = 0; i < this.token.cells.length; i++) {
-        row = this.token.cells[i];
 
-        cell = '';
-        for (j = 0; j < row.length; j++) {
-          cell += this.renderer.tablecell(
-            this.inline.output(row[j]),
-            { header: false, align: this.token.align[j] }
-          );
-        }
 
-        body += this.renderer.tablerow(cell);
-      }
-      return this.renderer.table(header, body);
-    }
-    case 'blockquote_start': {
-      var body = '';
+<polymer-element name="core-ajax" attributes="url handleAs auto params response method headers body contentType withCredentials" assetpath="../core-ajax/">
 
-      while (this.next().type !== 'blockquote_end') {
-        body += this.tok();
-      }
+  <script>
 
-      return this.renderer.blockquote(body);
-    }
-    case 'list_start': {
-      var body = ''
-        , ordered = this.token.ordered;
+    Polymer('core-ajax', {
+      /**
+       * Fired when a response is received.
+       * 
+       * @event core-response
+       */
+ 
+      /**
+       * Fired when an error is received.
+       * 
+       * @event core-error
+       */
+ 
+      /**
+       * Fired whenever a response or an error is received.
+       *
+       * @event core-complete
+       */
 
-      while (this.next().type !== 'list_end') {
-        body += this.tok();
-      }
+      /**
+       * The URL target of the request.
+       * 
+       * @attribute url
+       * @type string
+       * @default ''
+       */
+      url: '',
 
-      return this.renderer.list(body, ordered);
-    }
-    case 'list_item_start': {
-      var body = '';
+      /**
+       * Specifies what data to store in the `response` property, and
+       * to deliver as `event.response` in `response` events.
+       * 
+       * One of:
+       * 
+       *    `text`: uses `XHR.responseText`.
+       *    
+       *    `xml`: uses `XHR.responseXML`.
+       *    
+       *    `json`: uses `XHR.responseText` parsed as JSON.
+       *  
+       * @attribute handleAs
+       * @type string
+       * @default 'text'
+       */
+      handleAs: '',
 
-      while (this.next().type !== 'list_item_end') {
-        body += this.token.type === 'text'
-          ? this.parseText()
-          : this.tok();
-      }
+      /**
+       * If true, automatically performs an Ajax request when either `url` or `params` changes.
+       *
+       * @attribute auto
+       * @type boolean
+       * @default false
+       */
+      auto: false,
 
-      return this.renderer.listitem(body);
-    }
-    case 'loose_item_start': {
-      var body = '';
+      /**
+       * Parameters to send to the specified URL, as JSON.
+       *  
+       * @attribute params
+       * @type string (JSON)
+       * @default ''
+       */
+      params: '',
 
-      while (this.next().type !== 'list_item_end') {
-        body += this.tok();
-      }
+      /**
+       * Returns the response object.
+       *
+       * @attribute response
+       * @type Object
+       * @default null
+       */
+      response: null,
 
-      return this.renderer.listitem(body);
-    }
-    case 'html': {
-      var html = !this.token.pre && !this.options.pedantic
-        ? this.inline.output(this.token.text)
-        : this.token.text;
-      return this.renderer.html(html);
-    }
-    case 'paragraph': {
-      return this.renderer.paragraph(this.inline.output(this.token.text));
-    }
-    case 'text': {
-      return this.renderer.paragraph(this.parseText());
-    }
-  }
-};
+      /**
+       * The HTTP method to use such as 'GET', 'POST', 'PUT', or 'DELETE'.
+       * Default is 'GET'.
+       *
+       * @attribute method
+       * @type string
+       * @default ''
+       */
+      method: '',
 
-/**
- * Helpers
- */
+      /**
+       * HTTP request headers to send.
+       *
+       * Example:
+       *
+       *     <core-ajax 
+       *         auto
+       *         url="http://somesite.com"
+       *         headers='{"X-Requested-With": "XMLHttpRequest"}'
+       *         handleAs="json"
+       *         on-core-response="{{handleResponse}}"></core-ajax>
+       *  
+       * @attribute headers
+       * @type Object
+       * @default null
+       */
+      headers: null,
 
-function escape(html, encode) {
-  return html
-    .replace(!encode ? /&(?!#?\w+;)/g : /&/g, '&amp;')
-    .replace(/</g, '&lt;')
-    .replace(/>/g, '&gt;')
-    .replace(/"/g, '&quot;')
-    .replace(/'/g, '&#39;');
-}
+      /**
+       * Optional raw body content to send when method === "POST".
+       *
+       * Example:
+       *
+       *     <core-ajax method="POST" auto url="http://somesite.com"
+       *         body='{"foo":1, "bar":2}'>
+       *     </core-ajax>
+       *  
+       * @attribute body
+       * @type Object
+       * @default null
+       */
+      body: null,
 
-function unescape(html) {
-  return html.replace(/&([#\w]+);/g, function(_, n) {
-    n = n.toLowerCase();
-    if (n === 'colon') return ':';
-    if (n.charAt(0) === '#') {
-      return n.charAt(1) === 'x'
-        ? String.fromCharCode(parseInt(n.substring(2), 16))
-        : String.fromCharCode(+n.substring(1));
-    }
-    return '';
-  });
-}
+      /**
+       * Content type to use when sending data.
+       *
+       * @attribute contentType
+       * @type string
+       * @default 'application/x-www-form-urlencoded'
+       */
+      contentType: 'application/x-www-form-urlencoded',
 
-function replace(regex, opt) {
-  regex = regex.source;
-  opt = opt || '';
-  return function self(name, val) {
-    if (!name) return new RegExp(regex, opt);
-    val = val.source || val;
-    val = val.replace(/(^|[^\[])\^/g, '$1');
-    regex = regex.replace(name, val);
-    return self;
-  };
-}
+      /**
+       * Set the withCredentials flag on the request.
+       * 
+       * @attribute withCredentials
+       * @type boolean
+       * @default false
+       */
+      withCredentials: false,
+      
+      ready: function() {
+        this.xhr = document.createElement('core-xhr');
+      },
 
-function noop() {}
-noop.exec = noop;
+      receive: function(response, xhr) {
+        if (this.isSuccess(xhr)) {
+          this.processResponse(xhr);
+        } else {
+          this.error(xhr);
+        }
+        this.complete(xhr);
+      },
 
-function merge(obj) {
-  var i = 1
-    , target
-    , key;
+      isSuccess: function(xhr) {
+        var status = xhr.status || 0;
+        return !status || (status >= 200 && status < 300);
+      },
 
-  for (; i < arguments.length; i++) {
-    target = arguments[i];
-    for (key in target) {
-      if (Object.prototype.hasOwnProperty.call(target, key)) {
-        obj[key] = target[key];
-      }
-    }
-  }
+      processResponse: function(xhr) {
+        var response = this.evalResponse(xhr);
+        this.response = response;
+        this.fire('core-response', {response: response, xhr: xhr});
+      },
 
-  return obj;
-}
+      error: function(xhr) {
+        var response = xhr.status + ': ' + xhr.responseText;
+        this.fire('core-error', {response: response, xhr: xhr});
+      },
+
+      complete: function(xhr) {
+        this.fire('core-complete', {response: xhr.status, xhr: xhr});
+      },
 
+      evalResponse: function(xhr) {
+        return this[(this.handleAs || 'text') + 'Handler'](xhr);
+      },
 
-/**
- * Marked
- */
+      xmlHandler: function(xhr) {
+        return xhr.responseXML;
+      },
 
-function marked(src, opt, callback) {
-  if (callback || typeof opt === 'function') {
-    if (!callback) {
-      callback = opt;
-      opt = null;
-    }
+      textHandler: function(xhr) {
+        return xhr.responseText;
+      },
 
-    opt = merge({}, marked.defaults, opt || {});
+      jsonHandler: function(xhr) {
+        var r = xhr.responseText;
+        try {
+          return JSON.parse(r);
+        } catch (x) {
+          return r;
+        }
+      },
 
-    var highlight = opt.highlight
-      , tokens
-      , pending
-      , i = 0;
+      urlChanged: function() {
+        if (!this.handleAs) {
+          var ext = String(this.url).split('.').pop();
+          switch (ext) {
+            case 'json':
+              this.handleAs = 'json';
+              break;
+          }
+        }
+        this.autoGo();
+      },
 
-    try {
-      tokens = Lexer.lex(src, opt)
-    } catch (e) {
-      return callback(e);
-    }
+      paramsChanged: function() {
+        this.autoGo();
+      },
 
-    pending = tokens.length;
+      autoChanged: function() {
+        this.autoGo();
+      },
 
-    var done = function() {
-      var out, err;
+      // TODO(sorvell): multiple side-effects could call autoGo 
+      // during one micro-task, use a job to have only one action 
+      // occur
+      autoGo: function() {
+        if (this.auto) {
+          this.goJob = this.job(this.goJob, this.go, 0);
+        }
+      },
 
-      try {
-        out = Parser.parse(tokens, opt);
-      } catch (e) {
-        err = e;
+      /**
+       * Performs an Ajax request to the specified URL.
+       *
+       * @method go
+       */
+      go: function() {
+        var args = this.xhrArgs || {};
+        // TODO(sjmiles): alternatively, we could force POST if body is set
+        if (this.method === 'POST') {
+          args.body = this.body || args.body;
+        }
+        args.params = this.params || args.params;
+        if (args.params && typeof(args.params) == 'string') {
+          args.params = JSON.parse(args.params);
+        }
+        args.headers = this.headers || args.headers || {};
+        if (args.headers && typeof(args.headers) == 'string') {
+          args.headers = JSON.parse(args.headers);
+        }
+        if (this.contentType) {
+          args.headers['content-type'] = this.contentType;
+        }
+        
+        args.withCredentials = this.withCredentials;
+        args.callback = this.receive.bind(this);
+        args.url = this.url;
+        args.method = this.method;
+        return args.url && this.xhr.request(args);
       }
 
-      opt.highlight = highlight;
+    });
 
-      return err
-        ? callback(err)
-        : callback(null, out);
-    };
+  </script>
 
-    if (!highlight || highlight.length < 3) {
-      return done();
-    }
+</polymer-element>
+
 
-    delete opt.highlight;
 
-    if (!pending) return done();
+<polymer-element name="context-free-parser" attributes="url text data" assetpath="../core-doc-viewer/">
 
-    for (; i < tokens.length; i++) {
-      (function(token) {
-        if (token.type !== 'code') {
-          return --pending || done();
-        }
-        return highlight(token.text, token.lang, function(err, code) {
-          if (code == null || code === token.text) {
-            return --pending || done();
-          }
-          token.text = code;
-          token.escaped = true;
-          --pending || done();
-        });
-      })(tokens[i]);
-    }
+  <template>
 
-    return;
-  }
-  try {
-    if (opt) opt = merge({}, marked.defaults, opt);
-    return Parser.parse(Lexer.lex(src, opt), opt);
-  } catch (e) {
-    e.message += '\nPlease report this to https://github.com/chjj/marked.';
-    if ((opt || marked.defaults).silent) {
-      return '<p>An error occured:</p><pre>'
-        + escape(e.message + '', true)
-        + '</pre>';
-    }
-    throw e;
-  }
-}
+    <core-ajax url="{{url}}" response="{{text}}" auto=""></core-ajax>
 
-/**
- * Options
- */
+  </template>
 
-marked.options =
-marked.setOptions = function(opt) {
-  merge(marked.defaults, opt);
-  return marked;
-};
+  <script id="test">
 
-marked.defaults = {
-  gfm: true,
-  tables: true,
-  breaks: false,
-  pedantic: false,
-  sanitize: false,
-  smartLists: false,
-  silent: false,
-  highlight: null,
-  langPrefix: 'lang-',
-  smartypants: false,
-  headerPrefix: '',
-  renderer: new Renderer
-};
+    Polymer('context-free-parser', {
 
-/**
- * Expose
- */
+      text: null,
 
-marked.Parser = Parser;
-marked.parser = Parser.parse;
+      textChanged: function() {
 
-marked.Renderer = Renderer;
+        if (!this.text) {
+          return;
+        }
 
-marked.Lexer = Lexer;
-marked.lexer = Lexer.lex;
+        var text = this.text;
+        var top = {};
+        var classes = [];
+        var current = top;
+        var subCurrent = {};
 
-marked.InlineLexer = InlineLexer;
-marked.inlineLexer = InlineLexer.output;
+        var scriptDocCommentClause = '\\/\\*\\*([\\s\\S]*?)\\*\\/';
+        var htmlDocCommentClause = '<!--([\\s\\S]*?)-->';
 
-marked.parse = marked;
+        // matches text between /** and */ inclusive and <!-- and --> inclusive
+        var docCommentRegex = new RegExp(scriptDocCommentClause + '|' + htmlDocCommentClause, 'g');
 
-if (typeof exports === 'object') {
-  module.exports = marked;
-} else if (typeof define === 'function' && define.amd) {
-  define(function() { return marked; });
-} else {
-  this.marked = marked;
-}
+        // acquire all script doc comments
+        var docComments = text.match(docCommentRegex) || [];
 
-}).call(function() {
-  return this || (typeof window !== 'undefined' ? window : global);
-}());
-</script>
+        // each match represents a single block of doc comments
+        docComments.forEach(function(m) {
+          // unify line ends, remove all comment characters, split into individual lines
+          var lines = m.replace(/\r\n/g, '\n').replace(/^\s*\/\*\*|^\s*\*\/|^\s*\* ?|^\s*\<\!-\-|^s*\-\-\>/gm, '').split('\n');
 
-<polymer-element name="marked-js" attributes="text" assetpath="../marked-js/">
+          // pragmas (@-rules) must occur on a line by themselves
+          var pragmas = [];
+          // filter lines whose first non-whitespace character is @ into the pragma list
+          // (and out of the `lines` array)
+          lines = lines.filter(function(l) {
+            var m = l.match(/\s*@([\w-]*) (.*)/);
+            if (!m) {
+              return true;
+            }
+            pragmas.push(m);
+          });
 
-  <script>
-    Polymer('marked-js', {
+          // collect all other text into a single block
+          var code = lines.join('\n');
+          
+          pragmas.forEach(function(m) {
+            var pragma = m[1], content = m[2];
+            switch (pragma) {
 
-      text: '',
+              case 'class':
+              case 'element':
+                current = {
+                  name: content,
+                  description: code
+                };
+                classes.push(current);
+                break;
+              
+              case 'attribute':
+              case 'method':
+              case 'event':
+                subCurrent = {
+                  name: content,
+                  description: code
+                };
+                makePragma(current, pragma + 's', subCurrent);
+                break;
+
+              case 'default':
+              case 'type':
+                subCurrent[pragma] = content;
+                break;
+
+              default:
+                current[pragma] = content;
+                break;
+            }
+          });
+
+          // utility function, yay hoisting
+          function makePragma(object, pragma, content) {
+            var p$ = object;
+            var p = p$[pragma];
+            if (!p) {
+              p$[pragma] = p = [];
+            }
+            p.push(content);
+          }
 
-      enteredView: function() {
-        marked.setOptions({
-          highlight: this.highlight.bind(this)
         });
-        if (!this.text) {
-          this.text = this.innerHTML;
-        }
-      },
 
-      textChanged: function () {
-        this.innerHTML = marked(this.text);
+        if (classes.length === 0) {
+          classes.push({name: this.url.split('/').pop(), description: '**Undocumented**'});
+        }
+        this.data = { classes : classes };
       },
 
-      highlight: function(code, lang) {
-        var event = this.fire('marked-js-highlight', {code: code, lang: lang});
-        return event.detail.code || code;
+      dataChanged: function() {
+        this.fire('data-ready');
       }
 
     });
+
   </script>
 
 </polymer-element>
-
 
 
 
@@ -7106,169 +5014,181 @@
 
 
 
-<script>var hljs=new function(){function l(o){return o.replace(/&/gm,"&amp;").replace(/</gm,"&lt;").replace(/>/gm,"&gt;")}function b(p){for(var o=p.firstChild;o;o=o.nextSibling){if(o.nodeName=="CODE"){return o}if(!(o.nodeType==3&&o.nodeValue.match(/\s+/))){break}}}function h(p,o){return Array.prototype.map.call(p.childNodes,function(q){if(q.nodeType==3){return o?q.nodeValue.replace(/\n/g,""):q.nodeValue}if(q.nodeName=="BR"){return"\n"}return h(q,o)}).join("")}function a(q){var p=(q.className+" "+q.parentNode.className).split(/\s+/);p=p.map(function(r){return r.replace(/^language-/,"")});for(var o=0;o<p.length;o++){if(e[p[o]]||p[o]=="no-highlight"){return p[o]}}}function c(q){var o=[];(function p(r,s){for(var t=r.firstChild;t;t=t.nextSibling){if(t.nodeType==3){s+=t.nodeValue.length}else{if(t.nodeName=="BR"){s+=1}else{if(t.nodeType==1){o.push({event:"start",offset:s,node:t});s=p(t,s);o.push({event:"stop",offset:s,node:t})}}}}return s})(q,0);return o}function j(x,v,w){var p=0;var 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b={cN:"function",b:a.IR+"\\(",e:"\\)",c:[a.NM,a.ASM,a.QSM]};return{cI:true,i:"[=/|']",c:[a.CBLCLM,{cN:"id",b:"\\#[A-Za-z0-9_-]+"},{cN:"class",b:"\\.[A-Za-z0-9_-]+",r:0},{cN:"attr_selector",b:"\\[",e:"\\]",i:"$"},{cN:"pseudo",b:":(:)?[a-zA-Z0-9\\_\\-\\+\\(\\)\\\"\\']+"},{cN:"at_rule",b:"@(font-face|page)",l:"[a-z-]+",k:"font-face page"},{cN:"at_rule",b:"@",e:"[{;]",eE:true,k:"import page media charset",c:[b,a.ASM,a.QSM,a.NM]},{cN:"tag",b:a.IR,r:0},{cN:"rules",b:"{",e:"}",i:"[^\\s]",r:0,c:[a.CBLCLM,{cN:"rule",b:"[^\\s]",rB:true,e:";",eW:true,c:[{cN:"attribute",b:"[A-Z\\_\\.\\-]+",e:":",eE:true,i:"[^\\s]",starts:{cN:"value",eW:true,eE:true,c:[b,a.NM,a.QSM,a.ASM,a.CBLCLM,{cN:"hexcolor",b:"\\#[0-9A-F]+"},{cN:"important",b:"!important"}]}}]}]}]}}(hljs);hljs.LANGUAGES.xml=function(a){var c="[A-Za-z0-9\\._:-]+";var b={eW:true,c:[{cN:"attribute",b:c,r:0},{b:'="',rB:true,e:'"',c:[{cN:"value",b:'"',eW:true}]},{b:"='",rB:true,e:"'",c:[{cN:"value",b:"'",eW:true}]},{b:"=",c:[{cN:"value",b:"[^\\s/>]+"}]}]};return{cI:true,c:[{cN:"pi",b:"<\\?",e:"\\?>",r:10},{cN:"doctype",b:"<!DOCTYPE",e:">",r:10,c:[{b:"\\[",e:"\\]"}]},{cN:"comment",b:"<!--",e:"-->",r:10},{cN:"cdata",b:"<\\!\\[CDATA\\[",e:"\\]\\]>",r:10},{cN:"tag",b:"<style(?=\\s|>|$)",e:">",k:{title:"style"},c:[b],starts:{e:"</style>",rE:true,sL:"css"}},{cN:"tag",b:"<script(?=\\s|>|$)",e:">",k:{title:"script"},c:[b],starts:{e:"<\/script>",rE:true,sL:"javascript"}},{b:"<%",e:"%>",sL:"vbscript"},{cN:"tag",b:"</?",e:"/?>",c:[{cN:"title",b:"[^ />]+"},b]}]}}(hljs);hljs.LANGUAGES.python=function(a){var f={cN:"prompt",b:"^(>>>|\\.\\.\\.) "};var c=[{cN:"string",b:"(u|b)?r?'''",e:"'''",c:[f],r:10},{cN:"string",b:'(u|b)?r?"""',e:'"""',c:[f],r:10},{cN:"string",b:"(u|r|ur)'",e:"'",c:[a.BE],r:10},{cN:"string",b:'(u|r|ur)"',e:'"',c:[a.BE],r:10},{cN:"string",b:"(b|br)'",e:"'",c:[a.BE]},{cN:"string",b:'(b|br)"',e:'"',c:[a.BE]}].concat([a.ASM,a.QSM]);var e={cN:"title",b:a.UIR};var d={cN:"params",b:"\\(",e:"\\)",c:["self",a.CNM,f].concat(c)};var b={bWK:true,e:":",i:"[${=;\\n]",c:[e,d],r:10};return{k:{keyword:"and elif is global as in if from raise for except finally print import pass return exec else break not with class assert yield try while continue del or def lambda nonlocal|10",built_in:"None True False Ellipsis NotImplemented"},i:"(</|->|\\?)",c:c.concat([f,a.HCM,a.inherit(b,{cN:"function",k:"def"}),a.inherit(b,{cN:"class",k:"class"}),a.CNM,{cN:"decorator",b:"@",e:"$"},{b:"\\b(print|exec)\\("}])}}(hljs);</script>
 
 
 <!--
 
-Displays YUIDoc formatted source documentation scraped from input urls.
+Displays formatted source documentation scraped from input urls.
 
-@class core-doc-viewer
--->
-<polymer-element name="core-doc-viewer" attributes="url href sources" assetpath="../core-doc-viewer/">
-<!--
-
-Set url to add documentation from that location to the view.
+@group Polymer Core Elements
+@element core-doc-viewer
 
-@attribute url
-@type String
 -->
 
-  <template>
+<polymer-element name="core-doc-viewer" attributes="url href sources" assetpath="../core-doc-viewer/">
+<template>
 
-    <context-free-parser url="{{url}}" on-data-ready="{{parserDataReady}}"></context-free-parser>
+  <context-free-parser url="{{url}}" on-data-ready="{{parserDataReady}}"></context-free-parser>
 
-    <template repeat="{{sources}}">
-      <context-free-parser url="{{}}" on-data-ready="{{parserDataReady}}"></context-free-parser>
-    </template>
+  <template repeat="{{sources}}">
+    <context-free-parser url="{{}}" on-data-ready="{{parserDataReady}}"></context-free-parser>
+  </template>
 
-    <style>/*
+  <style>/*
 
 Original style from softwaremaniacs.org (c) Ivan Sagalaev <Maniac@SoftwareManiacs.Org>
 
 */
 
-pre code {
+.hljs {
   display: block; padding: 0.5em;
   background: #F0F0F0;
 }
 
-pre code,
-pre .subst,
-pre .tag .title,
-pre .lisp .title,
-pre .clojure .built_in,
-pre .nginx .title {
+.hljs,
+.hljs-subst,
+.hljs-tag .hljs-title,
+.lisp .hljs-title,
+.clojure .hljs-built_in,
+.nginx .hljs-title {
   color: black;
 }
 
-pre .string,
-pre .title,
-pre .constant,
-pre .parent,
-pre .tag .value,
-pre .rules .value,
-pre .rules .value .number,
-pre .preprocessor,
-pre .ruby .symbol,
-pre .ruby .symbol .string,
-pre .aggregate,
-pre .template_tag,
-pre .django .variable,
-pre .smalltalk .class,
-pre .addition,
-pre .flow,
-pre .stream,
-pre .bash .variable,
-pre .apache .tag,
-pre .apache .cbracket,
-pre .tex .command,
-pre .tex .special,
-pre .erlang_repl .function_or_atom,
-pre .markdown .header {
+.hljs-string,
+.hljs-title,
+.hljs-constant,
+.hljs-parent,
+.hljs-tag .hljs-value,
+.hljs-rules .hljs-value,
+.hljs-rules .hljs-value .hljs-number,
+.hljs-preprocessor,
+.hljs-pragma,
+.haml .hljs-symbol,
+.ruby .hljs-symbol,
+.ruby .hljs-symbol .hljs-string,
+.hljs-aggregate,
+.hljs-template_tag,
+.django .hljs-variable,
+.smalltalk .hljs-class,
+.hljs-addition,
+.hljs-flow,
+.hljs-stream,
+.bash .hljs-variable,
+.apache .hljs-tag,
+.apache .hljs-cbracket,
+.tex .hljs-command,
+.tex .hljs-special,
+.erlang_repl .hljs-function_or_atom,
+.asciidoc .hljs-header,
+.markdown .hljs-header,
+.coffeescript .hljs-attribute {
   color: #800;
 }
 
-pre .comment,
-pre .annotation,
-pre .template_comment,
-pre .diff .header,
-pre .chunk,
-pre .markdown .blockquote {
+.smartquote,
+.hljs-comment,
+.hljs-annotation,
+.hljs-template_comment,
+.diff .hljs-header,
+.hljs-chunk,
+.asciidoc .hljs-blockquote,
+.markdown .hljs-blockquote {
   color: #888;
 }
 
-pre .number,
-pre .date,
-pre .regexp,
-pre .literal,
-pre .smalltalk .symbol,
-pre .smalltalk .char,
-pre .go .constant,
-pre .change,
-pre .markdown .bullet,
-pre .markdown .link_url {
+.hljs-number,
+.hljs-date,
+.hljs-regexp,
+.hljs-literal,
+.hljs-hexcolor,
+.smalltalk .hljs-symbol,
+.smalltalk .hljs-char,
+.go .hljs-constant,
+.hljs-change,
+.lasso .hljs-variable,
+.makefile .hljs-variable,
+.asciidoc .hljs-bullet,
+.markdown .hljs-bullet,
+.asciidoc .hljs-link_url,
+.markdown .hljs-link_url {
   color: #080;
 }
 
-pre .label,
-pre .javadoc,
-pre .ruby .string,
-pre .decorator,
-pre .filter .argument,
-pre .localvars,
-pre .array,
-pre .attr_selector,
-pre .important,
-pre .pseudo,
-pre .pi,
-pre .doctype,
-pre .deletion,
-pre .envvar,
-pre .shebang,
-pre .apache .sqbracket,
-pre .nginx .built_in,
-pre .tex .formula,
-pre .erlang_repl .reserved,
-pre .prompt,
-pre .markdown .link_label,
-pre .vhdl .attribute,
-pre .clojure .attribute,
-pre .coffeescript .property {
+.hljs-label,
+.hljs-javadoc,
+.ruby .hljs-string,
+.hljs-decorator,
+.hljs-filter .hljs-argument,
+.hljs-localvars,
+.hljs-array,
+.hljs-attr_selector,
+.hljs-important,
+.hljs-pseudo,
+.hljs-pi,
+.haml .hljs-bullet,
+.hljs-doctype,
+.hljs-deletion,
+.hljs-envvar,
+.hljs-shebang,
+.apache .hljs-sqbracket,
+.nginx .hljs-built_in,
+.tex .hljs-formula,
+.erlang_repl .hljs-reserved,
+.hljs-prompt,
+.asciidoc .hljs-link_label,
+.markdown .hljs-link_label,
+.vhdl .hljs-attribute,
+.clojure .hljs-attribute,
+.asciidoc .hljs-attribute,
+.lasso .hljs-attribute,
+.coffeescript .hljs-property,
+.hljs-phony {
   color: #88F
 }
 
-pre .keyword,
-pre .id,
-pre .phpdoc,
-pre .title,
-pre .built_in,
-pre .aggregate,
-pre .css .tag,
-pre .javadoctag,
-pre .phpdoc,
-pre .yardoctag,
-pre .smalltalk .class,
-pre .winutils,
-pre .bash .variable,
-pre .apache .tag,
-pre .go .typename,
-pre .tex .command,
-pre .markdown .strong,
-pre .request,
-pre .status {
+.hljs-keyword,
+.hljs-id,
+.hljs-title,
+.hljs-built_in,
+.hljs-aggregate,
+.css .hljs-tag,
+.hljs-javadoctag,
+.hljs-phpdoc,
+.hljs-yardoctag,
+.smalltalk .hljs-class,
+.hljs-winutils,
+.bash .hljs-variable,
+.apache .hljs-tag,
+.go .hljs-typename,
+.tex .hljs-command,
+.asciidoc .hljs-strong,
+.markdown .hljs-strong,
+.hljs-request,
+.hljs-status {
   font-weight: bold;
 }
 
-pre .markdown .emphasis {
+.asciidoc .hljs-emphasis,
+.markdown .hljs-emphasis {
   font-style: italic;
 }
 
-pre .nginx .built_in {
+.nginx .hljs-built_in {
   font-weight: normal;
 }
 
-pre .coffeescript .javascript,
-pre .javascript .xml,
-pre .tex .formula,
-pre .xml .javascript,
-pre .xml .vbscript,
-pre .xml .css,
-pre .xml .cdata {
+.coffeescript .javascript,
+.javascript .xml,
+.lasso .markup,
+.tex .hljs-formula,
+.xml .javascript,
+.xml .vbscript,
+.xml .css,
+.xml .hljs-cdata {
   opacity: 0.5;
 }
 </style>
-    <style>:host {
+  <style>:host {
   display: block;
   /*height: 100%;*/
 }
@@ -7397,51 +5317,91 @@
 }
 </style>
 
-    <polymer-grid-layout id="grid" on-polymer-grid-layout="{{gridLayout}}"></polymer-grid-layout>
+  <core-layout-grid id="grid" on-core-layout="{{gridLayout}}"></core-layout-grid>
 
-    <div id="navigation" offscreen="basement" style="overflow-y: scroll;">
+  <div id="navigation" offscreen="basement" style="overflow-y: scroll;">
 
-      <polymer-ui-menu selected="0" id="menu">
+    <core-menu selected="0" id="menu">
 
-        <template repeat="{{classes}}">
-          <polymer-ui-menu-item><a href="#{{name}}">{{name}}</a></polymer-ui-menu-item>
-        </template>
+      <template repeat="{{classes}}">
+        <core-item><a href="#{{name}}">{{name}}</a></core-item>
+      </template>
 
-      </polymer-ui-menu>
+    </core-menu>
 
-    </div>
+  </div>
 
-    <div id="docs" flex="" on-marked-js-highlight="{{hilight}}" on-scroll="{{docsScroll}}">
-      <div id="docsInner" flex="">
+  <div id="docs" flex="" on-marked-js-highlight="{{hilight}}" on-scroll="{{docsScroll}}">
+    <div id="docsInner" flex="">
 
-        <div id="fixed">
-          <div class="header">
+      <div id="fixed">
+        <div class="header">
 
-            <polymer-ui-icon-button icon="menu" on-tap="{{toggleNav}}" active="{{navOpen}}"></polymer-ui-icon-button>
-            &nbsp;<span id="fixedTopic" class="element"></span>
+          <core-icon-button icon="menu" on-tap="{{toggleNav}}" active="{{navOpen}}"></core-icon-button>
+          &nbsp;<span id="fixedTopic" class="element"></span>
 
-          </div>
         </div>
+      </div>
 
-        <template repeat="{{class in classes}}">
+      <template repeat="{{class in classes}}">
 
-          <a id="{{class.name}}" class="element"></a>
+        <a id="{{class.name}}" class="element"></a>
 
-          <div class="header topic">
-            <polymer-ui-icon-button on-tap="{{toggleLayout}}" icon="menu" style="visibility: hidden;"></polymer-ui-icon-button>
-            &nbsp;<span class="element">{{class.name}}</span>
-          </div>
+        <div class="header topic">
+          <core-icon-button on-tap="{{toggleLayout}}" icon="menu" style="visibility: hidden;"></core-icon-button>
+          &nbsp;<span class="element">{{class.name}}</span>
+        </div>
   
-          <div>
-            <polymer-flex-layout></polymer-flex-layout>
+        <div>
+          <core-layout></core-layout>
+
+          <div class="summary">
 
-            <div class="summary">
+            <template if="{{class.methods.length}}">
+              <section class="box">
+                <div class="ntitle">Methods</div>
+                <template repeat="{{class.methods}}">
+                  <span class="name method">{{name}}</span><br>
+                </template>
+              </section>
+            </template>
+
+            <template if="{{class.attributes.length}}">
+              <section class="box">
+                <div class="ntitle">Attributes</div>
+                <template repeat="{{class.attributes}}">
+                  <span class="name nattribute">{{name}}</span><br>
+                </template>
+              </section>
+            </template>
+
+            <template if="{{class.events.length}}">
+              <section class="box">
+                <div class="ntitle">Events</div>
+                <template repeat="{{class.events}}">
+                  <span class="name event">{{name}}</span><br>
+                </template>
+              </section>
+            </template>
+
+          </div>
+
+          <div flex="">
+            <div style="padding: 16px;">
+
+              <template if="{{class.description}}">
+                <section class="box">
+                  <div class="ntitle">Description</div>
+                  <marked-element text="{{class.description}}"></marked-element>
+                </section>
+              </template>
 
               <template if="{{class.methods.length}}">
                 <section class="box">
                   <div class="ntitle">Methods</div>
                   <template repeat="{{class.methods}}">
-                    <span class="name method">{{name}}</span><br>
+                    <span class="name method">{{name}}</span>
+                    <marked-element text="{{description}}"></marked-element>
                   </template>
                 </section>
               </template>
@@ -7450,7 +5410,8 @@
                 <section class="box">
                   <div class="ntitle">Attributes</div>
                   <template repeat="{{class.attributes}}">
-                    <span class="name nattribute">{{name}}</span><br>
+                    <span class="name nattribute">{{name}}</span><span class="name type">{{type}}</span>
+                    <marked-element text="{{description}}"></marked-element>
                   </template>
                 </section>
               </template>
@@ -7459,157 +5420,139 @@
                 <section class="box">
                   <div class="ntitle">Events</div>
                   <template repeat="{{class.events}}">
-                    <span class="name event">{{name}}</span><br>
+                    <span class="name event">{{name}}</span>
+                    <marked-element text="{{description}}"></marked-element>
                   </template>
                 </section>
               </template>
 
             </div>
+          </div>
+        </div>
+      </template>
 
-            <div flex="">
-              <div style="padding: 16px;">
+      <hr>
+      <div style="height: 1024px"></div>
 
-                <template if="{{class.description}}">
-                  <section class="box">
-                    <div class="ntitle">Description</div>
-                    <marked-js text="{{class.description}}"></marked-js>
-                  </section>
-                </template>
+    </div>
+  </div>
 
-                <template if="{{class.methods.length}}">
-                  <section class="box">
-                    <div class="ntitle">Methods</div>
-                    <template repeat="{{class.methods}}">
-                      <span class="name method">{{name}}</span>
-                      <marked-js text="{{description}}"></marked-js>
-                    </template>
-                  </section>
-                </template>
+</template>
+<script>
 
-                <template if="{{class.attributes.length}}">
-                  <section class="box">
-                    <div class="ntitle">Attributes</div>
-                    <template repeat="{{class.attributes}}">
-                      <span class="name nattribute">{{name}}</span><span class="name type">{{type}}</span>
-                      <marked-js text="{{description}}"></marked-js>
-                      <br>
-                    </template>
-                  </section>
-                </template>
+  Polymer('core-doc-viewer', {
+    /**
+      *
+      * Set url to add documentation from that location to the view.
+      *
+      * @attribute url
+      * @type String
+      */
 
-                <template if="{{class.events.length}}">
-                  <section class="box">
-                    <div class="ntitle">Events</div>
-                    <template repeat="{{class.events}}">
-                      <span class="name event">{{name}}</span>
-                      <marked-js text="{{description}}"></marked-js>
-                      <br>
-                    </template>
-                  </section>
-                </template>
+    sources: [],
+    data: null,
+    route: '',
+    layouts: {
+      open: [
+        [1, 2, 2]
+      ],
+      closed: [
+        [2, 2]
+      ],
+    },
+    navOpen: true,
 
-              </div>
-            </div>
-          </div>
-        </template>
+    ready: function() {
+      this.classes = [];
+      // TODO(sjmiles): manual because flatiron-director didn't work, find out why
+      window.addEventListener('hashchange', this.parseLocationHash.bind(this));
+      this.parseLocationHash();
+      // TODO(sjmiles): improve method of configuring grid
+      this.$.grid.nodes = [this.$.navigation, this.$.docs];
+      this.$.grid.layout = this.layouts.open;
+      this.onMutation(this.$.docs, this.docsNodeChanged);
+    },
 
-        <hr>
-        <div style="height: 1024px"></div>
+    parseLocationHash: function() {
+      this.route = window.location.hash.slice(1);
+    },
 
-      </div>
-    </div>
-  </template>
-  <script>
-    Polymer('core-doc-viewer', {
-      sources: [],
-      data: null,
-      route: '',
-      layouts: {
-        open: [
-          [1, 2, 2]
-        ],
-        closed: [
-          [2, 2]
-        ],
-      },
-      navOpen: true,
-      ready: function() {
-        this.classes = [];
-        // TODO(sjmiles): manual because flatiron-director didn't work, find out why
-        window.addEventListener('hashchange', this.parseLocationHash.bind(this));
-        this.parseLocationHash();
-        // TODO(sjmiles): improve method of configuring grid
-        this.$.grid.nodes = [this.$.navigation, this.$.docs];
-        this.$.grid.layout = this.layouts.open;
-        this.onMutation(this.$.docs, this.docsNodeChanged);
-      },
-      parseLocationHash: function() {
-        this.route = window.location.hash.slice(1);
-      },
-      routeChanged: function() {
-        var anchor = this.shadowRoot.querySelector('a[id="' + this.route + '"]');
-        if (anchor) {
-          anchor.scrollIntoView();
-        }
-      },
-      toggleNav: function(event, detail, sender) {
-        this.navOpen = !this.navOpen;
-      },
-      navOpenChanged: function() {
+    routeChanged: function() {
+      var anchor = this.shadowRoot.querySelector('a[id="' + this.route + '"]');
+      if (anchor) {
+        anchor.scrollIntoView();
+      }
+    },
+
+    toggleNav: function(event, detail, sender) {
+      this.navOpen = !this.navOpen;
+    },
+
+    navOpenChanged: function() {
+      this.effectLayout();
+    },
+
+    effectLayout: function() {
+      this.$.grid.layout = this.navOpen ? this.layouts.open : this.layouts.closed;
+      this.$.fixed.style.left = this.navOpen ? this.fixedLeft + 'px' : '0px';
+    },
+
+    gridLayout: function() {
+      // TODO(sjmiles): the 'fixed' header bar is relative to the screen
+      // to position it dynamically we need to know offsetLeft of the
+      // docs panel after the first layout.
+      if (!this.fixedLeft) {
+        this.fixedLeft = this.$.docs.offsetLeft;
+        this.$.fixed.style.display = 'block';
         this.effectLayout();
-      },
-      effectLayout: function() {
-        this.$.grid.layout = this.navOpen ? this.layouts.open : this.layouts.closed;
-        this.$.fixed.style.left = this.navOpen ? this.fixedLeft + 'px' : '0px';
-      },
-      gridLayout: function() {
-        // TODO(sjmiles): the 'fixed' header bar is relative to the screen
-        // to position it dynamically we need to know offsetLeft of the
-        // docs panel after the first layout.
-        if (!this.fixedLeft) {
-          this.fixedLeft = this.$.docs.offsetLeft;
-          this.$.fixed.style.display = 'block';
-          this.effectLayout();
-        }
-        this.$.docs.classList.add('animate');
-        this.$.fixed.classList.add('animate');
-      },
-      hilight: function(event, detail, sender) {
-        detail.code = hljs.highlightAuto(detail.code).value;
-      },
-      docsNodeChanged: function(observer) {
-        this.$.docs.scrollTop = 0;
-        this.docsScroll();
-        this.onMutation(this.$.docs, this.docsNodeChanged);
-      },
-      docsScroll: function() {
-        var t = this.$.docs.scrollTop + 80;
-        var hcs = this.$.docsInner.querySelectorAll('.topic');
-        for (var i = 0, hc; hc = hcs[i]; i++) {
-          if (t >= hc.offsetTop && (!hcs[i+1] || t < hcs[i+1].offsetTop)) {
-            var h = hc.querySelector('.element');
-            if (h) {
-              this.$.fixedTopic.innerText = h.innerText;	
-            }
-            return;
+      }
+      this.$.docs.classList.add('animate');
+      this.$.fixed.classList.add('animate');
+    },
+
+    hilight: function(event, detail, sender) {
+      detail.code = hljs.highlightAuto(detail.code).value;
+    },
+
+    docsNodeChanged: function(observer) {
+      this.$.docs.scrollTop = 0;
+      this.docsScroll();
+      this.onMutation(this.$.docs, this.docsNodeChanged);
+    },
+
+    docsScroll: function() {
+      var t = this.$.docs.scrollTop + 80;
+      var hcs = this.$.docsInner.querySelectorAll('.topic');
+      for (var i = 0, hc; hc = hcs[i]; i++) {
+        if (t >= hc.offsetTop && (!hcs[i+1] || t < hcs[i+1].offsetTop)) {
+          var h = hc.querySelector('.element');
+          if (h) {
+            this.$.fixedTopic.innerText = h.innerText;
           }
+          return;
         }
-      },
-      parserDataReady: function(event) {
-        this.assimilateData(event.target.data);
-      },
-      dataChanged: function() {
-        this.assimilateData(this.data);
-      },
-      assimilateData: function(data) {
-        this.classes = this.classes.concat(data.classes);
-        this.classes.sort(function(a, b) {
-          var na = a.name.toLowerCase(), nb = b.name.toLowerCase();
-          return (na < nb) ? -1 : (na == nb) ? 0 : 1;
-        });
       }
-    });
-  </script>
+    },
+
+    parserDataReady: function(event) {
+      this.assimilateData(event.target.data);
+    },
+
+    dataChanged: function() {
+      this.assimilateData(this.data);
+    },
+
+    assimilateData: function(data) {
+      this.classes = this.classes.concat(data.classes);
+      this.classes.sort(function(a, b) {
+        var na = a.name.toLowerCase(), nb = b.name.toLowerCase();
+        return (na < nb) ? -1 : (na == nb) ? 0 : 1;
+      });
+    }
+
+  });
+
+</script>
 </polymer-element>
 
 ﻿<!--
