add: client.munger.entries[".mailto"].enabled = false; 
context: function my_cprivmsg(e){    if (!("messages" in this))    {        var limit = client.prefs["newTabLimit"];        if (limit == 0 || client.viewsArray.length < limit)            openQueryTab(e.server, e.user.unicodeName);    }    this.display(e.decodeParam(2), "PRIVMSG", e.user, e.server.me);}
meta: 1622	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1622/5c6049dd2039e72a86f38d65ae3002784c707139/handlers.js/clean/xul/content/handlers.js