rem: aCompMgr = aCompMgr.QueryInterface(Cinterfaces.nsIComponentRegistrar); 
add: aCompMgr = aCompMgr.QueryInterface(Ci.nsIComponentRegistrar); 
context:   unregisterSelf: function(aCompMgr, aLocation, aType) {    aCompMgr = aCompMgr.QueryInterface(Cinterfaces.nsIComponentRegistrar);    aCompMgr.unregisterFactoryLocation(CID, aLocation);          },
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8395/2a994e105bc8f1849d6f0b85272c711a957b6aca/nsURLFormatter.js/clean/toolkit/components/urlformatter/src/nsURLFormatter.js