rem: if(!el.tagName) 
add: if(!el.tagName) 
context: HTMLArea.isBlockElement = function(el) //quick and dirty hack{  if(!el.tagName)  {    return false;  }    	var blockTags = " body form textarea fieldset ul ol dl li div " +		"p h1 h2 h3 h4 h5 h6 quote pre table thead " +		"tbody tfoot tr td iframe address ";			return (blockTags.indexOf(" " + el.tagName.toLowerCase() + " ") != -1);};
meta: 8196	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8196/669443f48016d95a5252f4441c592819d19b2724/htmlarea_extension.js/clean/trunk/shared/js/htmlarea_extension.js