rem: if (!("ucConverter" in client)) 
add: var ex;  try 
context: function setCharset (charset){    client.CHARSET = charset;        if (!charset)    {        delete client.ucConverter;        client.eventPump.removeHookByName("uc-hook");        return;    }        if (!("ucConverter" in client))    {        const UC_CTRID = "@mozilla.org/intl/scriptableunicodeconverter";        const nsIUnicodeConverter =             Components.interfaces.nsIScriptableUnicodeConverter;        client.ucConverter =            Components.classes[UC_CTRID].createInstance(nsIUnicodeConverter);    }    client.ucConverter.charset = charset;    if (!client.eventPump.getHook("uc-hook"))    {        client.eventPump.addHook ([{type: "privmsg", set: "server"}],                                  ucConvertIncomingMessage, "uc-hook");    }}
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/36aff8237dc69d4a8a4336e5c2d05e8896cb29d7/static.js/buggy/extensions/irc/xul/content/static.js