/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is infoRSS.
 *
 * The Initial Developer of the Original Code is
 *   Didier Ernotte <didier@ernotte.com>.
 * Portions created by the Initial Developer are Copyright (C) 2004
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Didier Ernotte <didier@ernotte.com>.
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */
//------------------------------------------------------------------------------
// Prompt
// Author : Tom Tanner 2017
//------------------------------------------------------------------------------
/* jshint globalstrict: true */
"use strict";

var inforss = {};
Components.utils.import("chrome://inforss/content/modules/Version.jsm", inforss);

//This module provides alert (& so on) wrappers

/* exported EXPORTED_SYMBOLS */
var EXPORTED_SYMBOLS = [
  "alert", /* exported alert */
  "prompt", /* exported prompt */
  "confirm" /* exported confirm */
];

const promptService = Components.classes["@mozilla.org/embedcomp/prompt-service;1"].getService(Components.interfaces.nsIPromptService);

//------------------------------------------------------------------------------
function alert(msg)
{
    promptService.alert(null, inforss.get_name(), msg);
}

//------------------------------------------------------------------------------
function prompt(msg, text)
{
    let input = { value: text };
    return promptService.prompt(null, inforss.get_name(), msg, input) ?
      input.value : null;
}

//------------------------------------------------------------------------------
function confirm(msg)
{
    return promptService.confirm(null, inforss.get_name(), msg);
}
@@ -2760,16 +2760,23 @@
 .prompt(
+%0A      
 null, in
@@ -2807,17 +2807,22 @@
 nput
-) ?%0A     
+, null, %7B %7D) ?
  inp

Fix prompt parameters