Allow non-initial hyphens in html tag names.

This allows for custom tags, which in HTML5 MUST contain a hyphen. See commonmark/commonmark-spec#239.
commonmark · Jul 11, 2015 · c2d778e · c2d778e
1 parent 8b76f5e
commit c2d778e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/common.js b/lib/common.js
@@ -9,7 +9,7 @@ var decodeHTML = require('entities').decodeHTML;
 
 var ENTITY = "&(?:#x[a-f0-9]{1,8}|#[0-9]{1,8}|[a-z][a-z0-9]{1,31});";
 
-var TAGNAME = '[A-Za-z][A-Za-z0-9]*';
+var TAGNAME = '[A-Za-z][A-Za-z0-9-]*';
 var ATTRIBUTENAME = '[a-zA-Z_:][a-zA-Z0-9:._-]*';
 var UNQUOTEDVALUE = "[^\"'=<>`\\x00-\\x20]+";
 var SINGLEQUOTEDVALUE = "'[^']*'";