rem: return this.QueryInterface(iid); 
add: if (iid.equals(Components.interfaces.nsIDOMWindowInternal)) return window; else return this.QueryInterface(iid); 
context:   getInterface: function(iid)  {    return this.QueryInterface(iid);  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/a87ffc57cf54e639093e1190bc41356cbc05a06e/MsgComposeCommands.js/clean/mail/components/compose/content/MsgComposeCommands.js