Issue 5779 - Missing checkbox in language dialog and persistent validation

new-options.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 205 matching lines @@
         continue;
 
       let title = this._getItemTitle(item, i);
       let displays = element.querySelectorAll(".display");
       for (let j = 0; j < displays.length; j++)
         displays[j].textContent = title;
 
       element.setAttribute("aria-label", title);
       if (this.details[i].searchable)
         element.setAttribute("data-search", title.toLowerCase());
-      let control = element.querySelector(".control[role='checkbox']");
-      if (control)
+      let controls = element.querySelectorAll(".control[role='checkbox']");
+      for (let control of controls)
       {
         control.setAttribute("aria-checked", item.disabled == false);
         if (isAcceptableAds(item.url) && this == collections.filterLists)
           control.disabled = true;
       }
 
       let lastUpdateElement = element.querySelector(".last-update");
       if (lastUpdateElement)
       {
         let message = element.querySelector(".message");
@@ skipping 1143 matching lines @@
   });
   ext.backgroundPage.sendMessage({
     type: "subscriptions.listen",
     filter: ["added", "disabled", "homepage", "lastDownload", "removed",
              "title", "downloadStatus", "downloading"]
   });
 
   window.addEventListener("DOMContentLoaded", onDOMLoaded, false);
   window.addEventListener("hashchange", onHashChange, false);
 }