rem: compMgr = compMgr.QueryInterface(Components.interfaces.nsIComponentManagerObsolete); compMgr.unregisterComponentSpec(JSCONSOLEHANDLER_CID, fileSpec); 
add: compMgr = compMgr.QueryInterface(Components.interfaces.nsIComponentRegistrar); compMgr.unregisterFactoryLocation(JSCONSOLEHANDLER_CID, fileSpec); 
context:     unregisterSelf: function(compMgr, fileSpec, location) {        compMgr = compMgr.QueryInterface(Components.interfaces.nsIComponentManagerObsolete);        compMgr.unregisterComponentSpec(JSCONSOLEHANDLER_CID, fileSpec);        var catman = Components.classes["@mozilla.org/categorymanager;1"]            .getService(Components.interfaces.nsICategoryManager);        catman.deleteCategoryEntry("command-line-argument-handlers",            JSCONSOLEHANDLER_CONTRACTID, true);    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/894fdcfaaf75211cd8124dc9fa1545183d819184/jsconsole-clhandler.js/buggy/xpfe/components/console/jsconsole-clhandler.js