rem: delete this.entries[name]; 
add: for (var i in this.entries) { if (typeof this.entries[i] == "object") { if (name in this.entries[i]) delete this.entries[i][name]; } } 
context: function mng_delrule (name){    delete this.entries[name];}
meta: 1622	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/1622/66faa15770eb603baa8430719708167c7eb6b54c/munger.js/buggy/xul/lib/munger.js