rem: if (val || xhtmlnode.tagName=='img') xhtmlnode.setAttribute(name, val); 
add: var ok = val || xhtmlnode.tagName=='img'; if (ok) xhtmlnode.setAttribute(name, val); return ok; 
context:         this.alt = function(name, htmlnode, xhtmlnode) {            var val = htmlnode.getAttribute(name);            if (val || xhtmlnode.tagName=='img') xhtmlnode.setAttribute(name, val);        };
meta: 2380	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2380/a66c86479bb56fb3ba0bdc9c529feb15bcc74096/kupucontentfilters.js/clean/kupu/common/kupucontentfilters.js