rem: String.interpret = function(value){ return value == null ? '' : String(value); } 
add: interpret: function(value) { return value == null ? '' : String(value); }, 
context: String.interpret = function(value){  return value == null ? '' : String(value);}
meta: 7608	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/7608/d556a0875c83645645bd2067594241546d26d052/prototype.js/buggy/web/js/prototype.js