new rule for html blocks, to comply with commonmark.

BREAKING CHANGE: inline markdown is not parsed inside html blocks.

lib/marked.js

@@ -20,13 +20,20 @@ var block = {
   nptable: noop,
   blockquote: /^( {0,3}> ?(paragraph|[^\n]*)(?:\n|$))+/,
   list: /^( *)(bull) [\s\S]+?(?:hr|def|\n{2,}(?! )(?!\1bull )\n*|\s*$)/,
-  html: '^ *(?:comment *(?:\\n|\\s*$)'
-    + '|closed *(?:\\n{2,}|\\s*$)'
-    + '|closing *(?:\\n{2,}|\\s*$))',
+  html: '^ {0,3}(?:' // optional indentation
+    + '<(script|pre|style)[\\s>][\\s\\S]*?(?:</\\1>[^\\n]*\\n+|$)' // (1)
+    + '|comment[^\\n]*(\\n+|$)' // (2)
+    + '|<\\?[\\s\\S]*?\\?>\\n*' // (3)
+    + '|<![A-Z][\\s\\S]*?>\\n*' // (4)
+    + '|<!\\[CDATA\\[[\\s\\S]*?\\]\\]>\\n*' // (5)
+    + '|</?(tag)(?: +|\\n|/?>)[\\s\\S]*?(?:\\n{2,}|$)' // (6)
+    + '|<(?!script|pre|style)([a-z][\\w-]*)(?:attribute)*? */?>(?=\\h*\\n)[\\s\\S]*?(?:\\n{2,}|$)' // (7) open tag
+    + '|</(?!script|pre|style)[a-z][\\w-]*\\s*>(?=\\h*\\n)[\\s\\S]*?(?:\\n{2,}|$)' // (7) closing tag
+    + ')',
   def: /^ {0,3}\[(label)\]: *\n? *<?([^\s>]+)>?(?:(?: +\n? *| *\n *)(title))? *(?:\n+|$)/,
   table: noop,
   lheading: /^([^\n]+)\n *(=|-){2,} *(?:\n+|$)/,
-  paragraph: /^([^\n]+(?:\n?(?!hr|heading|lheading| {0,3}>|tag)[^\n]+)+)/,
+  paragraph: /^([^\n]+(?:\n(?!hr|heading|lheading| {0,3}>|<\/?(?:tag)(?: +|\\n|\/?>)|<(?:script|pre|style|!--))[^\n]+)+)/,
   text: /^[^\n]+/
 };
 
@@ -49,25 +56,24 @@ block.list = edit(block.list)
   .replace('def', '\\n+(?=' + block.def.source + ')')
   .getRegex();
 
-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';
-
+block._tag = 'address|article|aside|base|basefont|blockquote|body|caption'
+  + '|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption'
+  + '|figure|footer|form|frame|frameset|h[1-6]|head|header|hr|html|iframe'
+  + '|legend|li|link|main|menu|menuitem|meta|nav|noframes|ol|optgroup|option'
+  + '|p|param|section|source|summary|table|tbody|td|tfoot|th|thead|title|tr'
+  + '|track|ul';
 block._comment = /<!--(?!-?>)[\s\S]*?-->/;
-
-block.html = edit(block.html)
+block.html = edit(block.html, 'i')
   .replace('comment', block._comment)
-  .replace('closed', /<(tag)[\s\S]+?<\/\1>/)
-  .replace('closing', /<tag(?:"[^"]*"|'[^']*'|\s[^'"\/>]*)*?\/?>/)
-  .replace(/tag/g, block._tag)
+  .replace('tag', block._tag)
+  .replace('attribute', / +[a-zA-Z:_][\w.:-]*(?: *= *"[^"]*"| *= *'[^']*'| *= *[^\s"'=<>`]+)?/)
   .getRegex();
 
 block.paragraph = edit(block.paragraph)
   .replace('hr', block.hr)
   .replace('heading', block.heading)
   .replace('lheading', block.lheading)
-  .replace('tag', '<' + block._tag)
+  .replace('tag', block._tag) // pars can be interrupted by type (6) html blocks
   .getRegex();
 
 block.blockquote = edit(block.blockquote)
@@ -1163,10 +1169,8 @@ Parser.prototype.tok = function() {
       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);
+      //TODO parse inline content if parameter markdown=1
+      return this.renderer.html(this.token.text);
     }
     case 'paragraph': {
       return this.renderer.paragraph(this.inline.output(this.token.text));