rem: if(!el.tagName) 
add: if(!el.tagName) 
context: HTMLArea.isBlockElement = function(el) {  if(!el.tagName)//quick and dirty hack  {    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/2006/8196/2a95aee0924e41cc8be71e53596a918d46619318/htmlarea_extension.js/buggy/trunk/shared/js/htmlarea_extension.js