rem: name = name.split("").filter(function (el) { return chars.indexOf(el) != -1; }).join(""); 
add: var asciiBytes = aBytes.filter(function (n) {return !(0x80 & n);}); 
context:   name = name.split("").filter(function (el) {                                 return chars.indexOf(el) != -1;                               }).join("");
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/a1eed4f5eb9797ac5a955b2ead9575935d1deb6d/nsSearchService.js/buggy/browser/components/search/nsSearchService.js