| Thu, 11 Feb 2010 10:44:50 +0100 | Christian Urban | typos fixed by Michael Norrish | file | diff | annotate |
| Fri, 05 Feb 2010 15:49:03 +0100 | Christian Urban | updated to new Isabelle | file | diff | annotate |
| Thu, 14 Jan 2010 22:10:04 +0100 | Christian Urban | a bit more tuning | file | diff | annotate |