rem: compMgr = compMgr.QueryInterface(Components.interfaces.nsIComponentManagerObsolete); compMgr.unregisterComponentSpec(NS_LDAPPREFSSERVICE_CID, fileSpec); 
add: compMgr = compMgr.QueryInterface(Components.interfaces.nsIComponentRegistrar); compMgr.unregisterFactoryLocation(NS_LDAPPREFSSERVICE_CID, fileSpec); 
context: nsLDAPPrefsModule.unregisterSelf =function(compMgr, fileSpec, location){    compMgr = compMgr.QueryInterface(Components.interfaces.nsIComponentManagerObsolete);    compMgr.unregisterComponentSpec(NS_LDAPPREFSSERVICE_CID, fileSpec);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/894fdcfaaf75211cd8124dc9fa1545183d819184/nsLDAPPrefsService.js/buggy/mailnews/addrbook/src/nsLDAPPrefsService.js