Sun, 22 Aug 2010 16:37:15 +0200 wenzelm Isabelle_Hyperlinks: select relevant information directly from Markup_Tree, without intermediate RefInfo;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip