docs: function highlightPostSyntax( post ) {
  
  	var codeTags = [],
  			i = 0,
  			len = 0;
  
  	doc = doc || createDom( post.content );
  	
  	codeTags = doc.querySelectorAll('pre code');
  
  	len = codeTags.length;
  
  	for ( ; i < len; i++ ) {
  
  		// Replace class names beginning with "lang-" with "language-" for Highlight.js
  		codeTags[i].className = codeTags[i].className.replace('lang-', 'language-');
  
  		hljs.highlightBlock( codeTags[i] );
  	}
  
  	post.content = doc.body.innerHTML;
  }