| Sat, 12 Jun 2010 11:32:36 +0200 | Christian Urban | some slight tuning of the intro | file | diff | annotate |
| Sat, 12 Jun 2010 06:35:27 +0200 | Cezary Kaliszyk | Fix integer relation. | file | diff | annotate |
| Sat, 12 Jun 2010 02:36:49 +0200 | Christian Urban | completed the intro (except minor things) | file | diff | annotate |