return before + (object[match[3]] || '').toString(); 
return before + String.interpret(object[match[3]]); 
  evaluate: function(object) {    return this.template.gsub(this.pattern, function(match) {      var before = match[1];      if (before == '\\') return match[2];      return before + (object[match[3]] || '').toString();    });  }
856	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/856/53dfa93e53bccf5af1729cbdce88cb70e1ffcca5/prototype.js/clean/public/javascripts/prototype.js