rem: .split("").filter(function (el) { return chars.indexOf(el) != -1; }).join(""); 
add: name = name.split("").filter(function (el) { return chars.indexOf(el) != -1; }).join(""); 
context:                   .split("").filter(function (el) {                                      return chars.indexOf(el) != -1;                                    }).join("");
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/19eac0bfdf4551203be5c316eba45348e160e628/nsSearchService.js/buggy/browser/components/search/nsSearchService.js