| Sun, 28 Nov 2010 15:20:51 +0100 | gave more standard finite set rules simp and intro attribute | file | diff | annotate |
| Fri, 06 Aug 2010 12:37:00 +0200 | modernized specifications; | file | diff | annotate |
| Tue, 02 Mar 2010 12:26:50 +0100 | killed more recdefs | file | diff | annotate |
| Sat, 17 Oct 2009 14:43:18 +0200 | eliminated hard tabulators, guessing at each author's individual tab-width; | file | diff | annotate |
| Tue, 01 Sep 2009 15:39:33 +0200 | some reorganization of number theory | file | diff | annotate | base |