Sat, 05 Sep 2009 00:07:10 +0200 wenzelm MarkupNode: removed id;
Fri, 04 Sep 2009 23:43:42 +0200 wenzelm simplified MarkupNode -- independent of Command and ProofDocument;
Fri, 04 Sep 2009 23:04:20 +0200 wenzelm minor tuning;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip