| Wed, 24 Jun 2009 15:58:59 +0200 | Christian Urban | adapted to changes in Isabelle | file | diff | annotate |
| Fri, 29 May 2009 12:15:48 +0200 | Christian Urban | some slight polishing | file | diff | annotate |
| Sat, 23 May 2009 02:19:54 +0200 | Christian Urban | added an example | file | diff | annotate |
| Sat, 09 May 2009 13:55:25 +0200 | Christian Urban | added more to the pretty section and updated the acknowledgements | file | diff | annotate |