Use www.w3.org/Tools/respec/respec-w3c-common instead of getting this file directly from github.
Note that we use https so that we don't get an "unsafe content" warning when loading the respect file.
--- a/source_respec.htm Fri Jan 25 09:59:59 2013 -0800
+++ b/source_respec.htm Fri Jan 25 10:30:07 2013 -0800
@@ -4,7 +4,7 @@
<head>
<meta charset="utf-8" />
<title>UI Events</title>
- <script type="text/javascript" src='http://darobin.github.com/respec/builds/respec-w3c-common.js' class='remove'></script>
+ <script src='https://www.w3.org/Tools/respec/respec-w3c-common' class='remove' async></script>
<script type="text/javascript" src="respecEdConfig.js" class='remove'></script>
<link rel="stylesheet" type="text/css" href="table.css" media="screen" />
</head>