| Sat, 17 Oct 2009 14:43:18 +0200 | wenzelm | eliminated hard tabulators, guessing at each author's individual tab-width; | file | diff | annotate |
| Fri, 25 Jul 2008 07:35:53 +0200 | haftmann | dropped locale (open) | file | diff | annotate |
| Fri, 17 Jun 2005 16:12:49 +0200 | haftmann | migrated theory headers to new format | file | diff | annotate |
| Thu, 28 Aug 2003 01:56:40 +0200 | skalberg | Extended the notion of letter and digit, such that now one may use greek, | file | diff | annotate |
| Thu, 17 Jan 2002 10:35:59 +0100 | paulson | mistakenly deleted this theory | file | diff | annotate |