| Thu, 30 Jul 2009 15:51:51 +0200 | Christian Urban | polished the package chapter used FOCUS to explain the subproofs | file | diff | annotate |
| Thu, 04 Jun 2009 09:28:29 +0200 | Christian Urban | minor tuning | file | diff | annotate |
| Sat, 30 May 2009 17:40:20 +0200 | Christian Urban | added some first index-information | file | diff | annotate |