rem: return (str != str.toLowerCase() && str != str.toUpperCase()); 
add: return (str != str.toLowerCase()); 
context:   shouldBeCaseSensitive: function (str)  {    if (this.mTypeAheadCaseSensitive == 0)      return false;    if (this.mTypeAheadCaseSensitive == 1)      return true;    return (str != str.toLowerCase() && str != str.toUpperCase());  },
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/7f43c0e914861a2dbea018afdff98281aa30d99b/findBar.js/clean/toolkit/components/typeaheadfind/content/findBar.js