rem: console._loader = cls.createInstance(mozIJSSubScriptLoader); 
add: console._loader = cls.getService(mozIJSSubScriptLoader); 
context: function cmdLoadd (e){    var ex;        if (!("_loader" in console))    {        const LOADER_CTRID = "@mozilla.org/moz/jssubscript-loader;1";        const mozIJSSubScriptLoader =             Components.interfaces.mozIJSSubScriptLoader;        var cls;        if ((cls = Components.classes[LOADER_CTRID]))            console._loader = cls.createInstance(mozIJSSubScriptLoader);    }        var obj = ("scope" in e) ? e.scope : null;    try    {        var rvStr;        var rv = rvStr = console._loader.loadSubScript(e.url, obj);        if (typeof rv == "function")            rvStr = MSG_TYPE_FUNCTION;        feedback(e, getMsg(MSN_SUBSCRIPT_LOADED, [e.url, rvStr]), MT_INFO);        return rv;    }    catch (ex)    {        display (getMsg(MSN_ERR_SCRIPTLOAD, e.url));        display (formatException(ex), MT_ERROR);    }        return null;}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/53d9d325d60fe139d529a03b2ae133cb9cd48856/venkman-commands.js/buggy/extensions/venkman/resources/content/venkman-commands.js