| Sat, 10 Oct 2015 16:26:23 +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 |
| Sun, 21 Sep 2014 16:56:11 +0200 | haftmann | explicit separation of signed and unsigned numerals using existing lexical categories num and xnum | file | diff | annotate |