add: link.setAttribute("charset","utf-8"); 
context: this.createStyleSheet = function(doc, url){    var link = doc.createElementNS("http://www.w3.org/1999/xhtml", "link");    link.firebugIgnore = true;    link.setAttribute("rel", "stylesheet");    link.setAttribute("type", "text/css");    link.setAttribute("href", url);    return link;}
meta: 7450	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/7450/01dec9c4407b1ce11a8e6e7e2314ae63921ba454/lib.js/clean/extension/content/firebug/lib.js