Is anyone maintaining the AC-Vector-Fancy package?<br>I haven&#39;t had a reply from the latest maintainer (Andrew Coppin) on Hackage, so I thought I&#39;d open it up to cafe:<br><br>I think I have found a problem with the union function:<br>

If you look here: <a href="http://hpaste.org/49889" target="_blank">http://hpaste.org/49889</a><br>
You will see that line 4 gives a different result to lines 6, 8, 10; this shouldn&#39;t be the case because union is commutative.<br>