User script: Markdown highlighting in Redmine wiki.

script.js

(function() {
    'use strict';

    // Your code here...

    var loading = '<link rel="stylesheet" href="https://cdn.jsdelivr.net/simplemde/latest/simplemde.min.css">';
    $('head').append(loading);
    $.getScript("https://cdn.jsdelivr.net/simplemde/latest/simplemde.min.js", () => {var simplemde = new SimpleMDE({ element: $("#content textarea")[0] });});
})();