| Mon, 31 Aug 2015 21:01:21 +0200 | wenzelm | prefer symbols; | file | diff | annotate |
| Thu, 25 Jun 2015 23:33:47 +0200 | wenzelm | tuned proofs; | file | diff | annotate |
| Sun, 02 Nov 2014 18:21:45 +0100 | wenzelm | modernized header uniformly as section; | file | diff | annotate |
| Thu, 11 Sep 2014 19:32:36 +0200 | blanchet | updated news | file | diff | annotate |