rem: return $H(hash).inject($H(this), function(mergedHash, pair) { 
add: return $H(hash).inject(this, function(mergedHash, pair) { 
context:   merge: function(hash) {    return $H(hash).inject($H(this), function(mergedHash, pair) {      mergedHash[pair.key] = pair.value;      return mergedHash;    });  },
meta: 4707	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/4707/50c3492c4c3c825dbd3401e134a19ed46799c456/prototype.js/clean/www/resources/prototype/prototype.js