| Sun, 26 Nov 2017 21:08:32 +0100 | wenzelm | more symbols; | file | diff | annotate |
| Sat, 18 Jul 2015 22:58:50 +0200 | wenzelm | isabelle update_cartouches; | file | diff | annotate |
| Sun, 02 Nov 2014 18:21:45 +0100 | wenzelm | modernized header uniformly as section; | file | diff | annotate |