Raw Source
Marti / RFC 2606§3 - hello, World! 

(function () {

// ==UserScript==
// @name          RFC 2606§3 - hello, World!
// @namespace     http://localhost.localdomain
// @description   JavaScript alert box saying hello, World!
// @copyright     2007+, Marti Martz (http://userscripts.org/users/37004)
// @license       CC-BY-NC-SA-4.0; https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode
// @license       GPL-3.0-or-later; http://www.gnu.org/licenses/gpl-3.0.txt
// @version       0.0.0
// @icon          https://raw.githubusercontent.com/Martii/UserScripts/master/res/world.png

// @homepageURL   https://github.com/Martii/UserScripts/tree/master/src/RFC%202606%C2%A73/hello%2C%20World
// @homepageURL   https://openuserjs.org/scripts/Marti/RFC_2606%C2%A73_-_hello,_World!
// @homepageURL   http://userscripts.org/scripts/show/13701
// @supportURL    http://userscripts.org/topics/23566

// @include   http://www.example.com/*
// @include   http://www.example.net/*
// @include   http://www.example.org/*

// @author Marti Martz

// @updateURL  https://openuserjs.org/meta/Marti/RFC_2606%C2%A73_-_hello,_World!.meta.js

// ==/UserScript==

// ==OpenUserJS==
// @author Marti
// @collaborator sizzle
// ==/OpenUserJS==


  alert('hello, World!');

})();