rem: this.each(function(responder) { if (responder[callback] && typeof responder[callback] == 'function') { try { responder[callback].apply(responder, [request, transport, json]); } catch (e) { } } }); 
add: return this.map(function(pair) { return pair.map(encodeURIComponent).join('='); }).join('&'); 
context:     this.each(function(responder) {      if (responder[callback] && typeof responder[callback] == 'function') {        try {          responder[callback].apply(responder, [request, transport, json]);        } catch (e) {        }      }    });
meta: 3974	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3974/af9adbf17404d887f31369756326b0109da7ae2b/prototype.js/buggy/root/static/js/prototype.js