Adds a place where you can select and copy the question title + link in markdown

ht-stackexchange-links.user.js

// ==UserScript==
// @name           Hippietrail's Stack Exchange link sharer
// @description    Adds a place where you can select and copy the question title + link in markdown
// @version        0.9
// @namespace      hippietrail
// @include        http://stackoverflow.com/*
// @include        http://meta.stackoverflow.com/*
// @include        http://serferfault.com/*
// @include        http://meta.serferfault.com/*
// @include        http://superuser.com/*
// @include        http://meta.superuser.com/*
// @include        http://stackapps.com/*
// @include        http://*.stackexchange.com/*
// @include        http://meta.*.stackexchange.com/*
// ==/UserScript==

function main() {
  if ($('.question-page').length) {
    $('#question-header h1')
      .append(' ');

    $('<span>')
      .attr('id', 'ht-qh-arrow')
      .text('▶')
      .css({color: 'gray'})
      .appendTo('#question-header h1')
      .click(function () {

        $('#ht-qh-code').toggle();

        $('#ht-qh-arrow').text(
          '▶▼'[ +$('#ht-qh-code').is(":visible") ]
        );

      });

    $('<code>')
      .attr('id', 'ht-qh-code')
      .text( '[' + $('#question-header a:first').text() + ']'
          + '(' + window.location.href.match(/^(.*\/\/[^/]*\/[^/]*\/\d+)/)[0] + ')')
      .css({display: 'none'})
      .appendTo('#question-header');
  }
}

function addJsNode (func) {
  var targ = document.getElementsByTagName ('head')[0] || document.body || document.documentElement,
      scriptNode = document.createElement ('script');

  scriptNode.type = "text/javascript";

  scriptNode.textContent = '(' + func.toString() + ')()';

  targ.appendChild (scriptNode);
}

addJsNode (main);