Fix Wikipedia max width USERSCRIPT.user.js

// ==UserScript==
// @name        Wikipedia Vector full-width
// @namespace   sfghjs4uzrtjhgndh
// @description Expands Wikipedia's Vector skin's interface
// @include     https://fr.wikipedia.org/*
// @include     https://he.wikipedia.org/*
// @include     https://eu.wikipedia.org/*
// @include     https://fa.wikipedia.org/*
// @include     https://fr.wiktionary.org/*
// @include     https://pt.wikiversity.org/*
// @include     https://office.wikimedia.org/*
// @include     https://pt.wikipedia.org/*
// @include     https://tr.wikipedia.org/*
// @include     https://ko.wikipedia.org/*
// @include     https://sr.wikipedia.org/*
// @include     https://de.wikivoyage.org/*
// @version     1.0
// @grant       none
// ==/UserScript==
var querystring = location.search;
if (querystring == '') // empty
{
  window.location.replace(window.location.href + '?useskinversion=1');
}
else
{
  var query = querystring.substr(1);
  var skinset = false;
  query.split('&').forEach(function (part) {
    var item = part.split('=');
    if (decodeURIComponent(item[0]) == 'useskinversion')
    {
      skinset = decodeURIComponent(item[1]);
    }
  });
  if (!skinset)
  {
    window.location.replace(window.location.href + '&useskinversion=1');
  }
}
if (skinset == '1' || true) // replace the urls
{
  var links = document.getElementsByTagName('A');
  anum = links.length;
  for (var i = 0; i < anum; i++)
  {
    var href = links[i].href;
    if (href == '' || href == null)
    continue;
    var hash = href.split('#');
    var question = hash[0].split('?');
    var final = '';
    if (question.length > 1)
    {
      var thestring = hash[0].substr(question[0].length + 1);
      var thisskinset = false;
      thestring.split('&').forEach(function (part) {
        var item = part.split('=');
        if (decodeURIComponent(item[0]) == 'useskinversion')
        {
          thisskinset = true; //decodeURIComponent(item[1]);
        }
      });
      if (thisskinset)
      {
        continue;
      }
      else
      final = hash[0] + '&useskinversion=1';
    }
    else
    final = hash[0] + '?useskinversion=1';
    if (hash.length > 1)
    final += href.substr(hash[0].length);
    links[i].href = final;
  }
}

// Copyright 2021 Vectorman007
// Comments, thanks, bug reports @ https://www.mediawiki.org/wiki/User_talk:Vectorman007