[DONE] fix "NotoSerif Subset OTF" wrong links; for UserScript

isnotoserif.user.js

// ==UserScript==
// @name        isNotoSerif!
// @namespace   http://noromanba.flavors.me
// @description [DONE] fix "NotoSerif Subset OTF" wrong links; for UserScript
// @include     https://www.google.com/get/noto/help/cjk/
// @grant       none
// @noframes
// @run-at      document-end
// @version     2017.4.6.0
// @homepage    https://gist.github.com/noromanba/a479fa5bc3c4619383ee62f6af74c923
// @downloadURL https://gist.github.com/noromanba/a479fa5bc3c4619383ee62f6af74c923/raw/isnotoserif.user.js
// @license     MIT License https://nrm.mit-license.org/2017
// @author      noromanba   http://noromanba.flavors.me
// @icon        https://upload.wikimedia.org/wikipedia/commons/thumb/b/ba/PPFeather01.svg/512px-PPFeather01.svg.png
// ==/UserScript==

// Icon (PD by hannPoufPouf)
// https://commons.wikimedia.org/wiki/File%3APPFeather01.svg

// Devel
// https://gist.github.com/noromanba/a479fa5bc3c4619383ee62f6af74c923

// Bookmarklet
// http://let.hatelabo.jp/noromanba/let/hLHW56bVtuAQ

// already has been fixed c.f.
// http://ptech.g.hatena.ne.jp/noromanba/20170404/1491337619


// "Region-specific Subset OpenType/CFF (Subset OTF)" section c.f.
//  https://www.google.com/get/noto/help/cjk/
(() => {
    'use strict';

/*
    // XXX use XPath, smart
    // TODO assertion
    const subsetOTF = [...document.body.querySelectorAll('.cjk-downloads')].pop();
    const subsetOTFSerif = [...subsetOTF.querySelectorAll('tbody tr')].pop();

    Array.from(subsetOTFSerif.querySelectorAll([
      'a[href*="/NotoSans"]'
    ]), serif => serif.href = serif.href.replace(/\/NotoSans/, '/NotoSerif'));
*/
})();