rem: compMgr.unregisterComponentSpec(CLINE_SERVICE_CID, fileSpec); 
add: compMgr.unregisterFactoryLocation(CLINE_SERVICE_CID, fileSpec); 
context: ChatzillaModule.unregisterSelf =function(compMgr, fileSpec, location){    compMgr = compMgr.QueryInterface(Components.interfaces.nsIComponentManagerObsolete);    compMgr.unregisterComponentSpec(CLINE_SERVICE_CID, fileSpec);	catman = Components.classes["@mozilla.org/categorymanager;1"]        .getService(nsICategoryManager);	catman.deleteCategoryEntry("command-line-argument-handlers",                               CLINE_SERVICE_CONTRACTID, true);}
meta: 3298	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3298/9cb1f5ec50af78e0e6d088d71a5ed43bf8ecd3c4/chatzilla-service.js/buggy/js/lib/chatzilla-service.js