| Tue, 21 Jun 2011 12:53:16 +0100 | Christian Urban | added an excercise originally by Jasmin Blanchette | file | diff | annotate |
| Wed, 23 Feb 2011 23:55:37 +0000 | Christian Urban | updated to post-2011 Isabelle | file | diff | annotate |
| Fri, 13 Aug 2010 18:52:16 +0800 | Christian Urban | tuned | file | diff | annotate |