rem: if (!iid.equals(nsIProtocolHandler) && !iid.equals(nsISupports)) 
add: if (!iid.equals(nsICmdLineHandler) && !iid.equals(nsISupports)) 
context: IRCProtocolHandlerFactory.createInstance =function (outer, iid){    if (outer != null)        throw Components.results.NS_ERROR_NO_AGGREGATION;    if (!iid.equals(nsIProtocolHandler) && !iid.equals(nsISupports))        throw Components.results.NS_ERROR_INVALID_ARG;    return new IRCProtocolHandler();}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/7e998d1a2e81d56757ccb1d104bf94e8be456a0d/chatzilla-service.js/buggy/extensions/irc/js/lib/chatzilla-service.js