rem: return undefined; 
add: return no_result; 
context: function mapField(fieldname) {    var i = findIndex(f1,fieldname);    if (i >= 0) return f2[i];    return undefined;} 
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/54b8850bf6335ea6b3f6eba92a689316ac27d3cd/quicksearch.js/buggy/webtools/bugzilla/quicksearch.js