Tue, 11 Jan 2005 14:08:07 +0100 berghofe Implemented hiding of proofs and other commands.
Sat, 08 Jan 2005 09:30:16 +0100 nipkow new citation
Thu, 06 Jan 2005 05:15:26 +0100 kleing suggestions by Jeremy Siek
(0) -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip