src/Doc/System/Presentation.thy
Wed, 04 Nov 2015 20:18:46 +0100 wenzelm tuned whitespace;
Thu, 22 Oct 2015 21:34:28 +0200 wenzelm tuned;
Thu, 22 Oct 2015 21:16:49 +0200 wenzelm more control symbols;
less more (0) -10 -3 tip