| Fri, 18 Feb 2011 16:22:27 +0100 | wenzelm | more precise headers; | file | diff | annotate |
| Sat, 17 Oct 2009 14:43:18 +0200 | wenzelm | eliminated hard tabulators, guessing at each author's individual tab-width; | file | diff | annotate |
| Mon, 11 Feb 2008 15:40:21 +0100 | krauss | Made theory names in ZF disjoint from HOL theory names to allow loading both developments | file | diff | annotate |