save the current html block parsing in the pedantic mode

lib/marked.js

@@ -105,6 +105,23 @@ block.tables = merge({}, block.gfm, {
   table: /^ *\|(.+)\n *\|( *[-:]+[-| :]*)\n((?: *\|.*(?:\n|$))*)\n*/
 });
 
+/**
+ * Pedantic grammar
+ */
+
+block.pedantic = merge({}, block.normal, {
+  html: edit(
+      '^ *(?:comment *(?:\\n|\\s*$)'
+    + '|<(tag)[\\s\\S]+?</\\1> *(?:\\n{2,}|\\s*$)' // closed tag
+    + '|<tag(?:"[^"]*"|\'[^\']*\'|\\s[^\'"/>]*)*?/?> *(?:\\n{2,}|\\s*$))')
+    .replace('comment', block._comment)
+    .replace(/tag/g, '(?!(?:'
+      + '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')
+    .getRegex()
+});
+
 /**
  * Block Lexer
  */
@@ -115,7 +132,9 @@ function Lexer(options) {
   this.options = options || marked.defaults;
   this.rules = block.normal;
 
-  if (!this.options.pedantic && this.options.gfm) {
+  if (this.options.pedantic) {
+    this.rules = block.pedantic;
+  } else if (this.options.gfm) {
     if (this.options.tables) {
       this.rules = block.tables;
     } else {