Fix url plugin render, #308

Author: lepture

Diff for: mistune/inline_parser.py

@@ -193,6 +193,10 @@ def parse_linebreak(self, m, state):
 
     def parse_inline_html(self, m, state):
         html = m.group(0)
+        if html.startswith('<a '):
+            state['_in_link'] = True
+        if html.startswith('</a>'):
+            state['_in_link'] = False
         return 'inline_html', html
 
     def parse_text(self, text, state):

Diff for: mistune/plugins/extra.py

@@ -8,7 +8,10 @@
 
 
 def parse_url_link(inline, m, state):
-    return 'link', escape_url(m.group(0))
+    url = m.group(0)
+    if state.get('_in_link'):
+        return 'text', url
+    return 'link', escape_url(url)
 
 
 def plugin_url(md):