rem: this._request = new PROT_XMLHttpRequest(); 
add: this._request = PROT_NewXMLHttpRequest(); 
context: function PROT_XMLFetcher(opt_stripCookies) {  this.debugZone = "xmlfetcher";  this._request = new PROT_XMLHttpRequest();  this._stripCookies = !!opt_stripCookies;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/fa3f66b92bc32e8d826511e48ae693d440ae14bd/xml-fetcher.js/buggy/toolkit/components/url-classifier/content/xml-fetcher.js