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+// ==UserScript==
+// @name Show-XKCD-Date
+// @namespace https://github.com/untir-l/userscripts
+// @version 1.0.0
+// @description For each comic on xkcd.com, show information about the date on which it was posted.
+// @author Arjun Satarkar
+// @match https://xkcd.com/*
+// @icon https://xkcd.com/favicon.ico
+// @grant none
+// ==/UserScript==
+/*
+MIT License
+
+Copyright (c) 2021 Arjun Satarkar
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+ */
+
+(async function () {
+ 'use strict';
+
+ const response = await fetch(new URL('info.0.json', window.location));
+ if (!response.ok) {
+ console.error('Show-XKCD-Date userscript could not fetch the date!');
+ return;
+ }
+
+ const info = await response.json();
+
+ const addedContent = new DocumentFragment();
+ addedContent.append(document.createElement('br'), document.createTextNode(`Date posted: ${info.year}-${info.month}-${info.day}`));
+
+ document.querySelector('div#transcript').before(addedContent);
+})();