rem: compMgr = compMgr.QueryInterface(Components.interfaces.nsIComponentRegistrar); 
add: compMgr = compMgr.QueryInterface(nsIComponentRegistrar); 
context: Module.unregisterSelf =function(compMgr, fileSpec, location){    compMgr = compMgr.QueryInterface(Components.interfaces.nsIComponentRegistrar);    compMgr.unregisterFactoryLocation(CLINE_SERVICE_CID, fileSpec);	catman = Components.classes[CATMAN_CTRID].getService(nsICategoryManager);	catman.deleteCategoryEntry("command-line-argument-handlers",                               CLINE_SERVICE_CTRID, true);}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/3ecf654c80cc906118ed5febcd85cdd2eb4d4abb/venkman-service.js/clean/extensions/venkman/js/venkman-service.js