rem:  throw Components.results.NS_ERROR_NOT_IMPLEMENTED; 
add: addEntryToRegistry(category, entry, value); 
context: proto.addCategoryEntry = function (category, entry, value, persist, replace) {    if (!(category in this.categories)) {        dump("aCE: creating category \"" + category + "\"\n");	this.categories[category] = { name:category, table:{ } };    }    var table = this.categories[category].table;    var oldValue;    if (entry in table) {	if (!replace)	    throw Components.results.NS_ERROR_INVALID_ARG;	oldValue = table[entry];    } else {	oldValue = null;    }    table[entry] = value;    if (persist)	// need registry	throw Components.results.NS_ERROR_NOT_IMPLEMENTED;    return oldValue;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/ee850bb6c53f9740e409c6b37359f53db6bb389b/nsCategoryManager.js/buggy/xpcom/components/nsCategoryManager.js