rem: compMgr = compMgr.QueryInterface(Components.interfaces.nsIComponentManagerObsolete); 
add: compMgr = compMgr.QueryInterface(Components.interfaces.nsIComponentRegistrar); 
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: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/c50ca402ade4e24dff1529c198bb3092762919f6/chatzilla-service.js/buggy/extensions/irc/js/lib/chatzilla-service.js