rem: this.each(function(responder) { if (responder[callback] && typeof responder[callback] == 'function') { try { responder[callback].apply(responder, [request, transport, json]); } catch (e) {} } 
add: return $H(hash).inject(this, function(mergedHash, pair) { mergedHash[pair.key] = pair.value; return mergedHash; 
context:     this.each(function(responder) {      if (responder[callback] && typeof responder[callback] == 'function') {        try {          responder[callback].apply(responder, [request, transport, json]);        } catch (e) {}      }    });
meta: 2801	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/2801/7e143d2df37946a5416f0f043869478087652eb6/prototype.js/clean/examples/testcases/prototype.js