Wed, 19 May 2010 14:38:25 -0700 huffman add section about fixrec definitions with looping simp rules
Wed, 19 May 2010 13:07:15 -0700 huffman more informative error message for fixrec when continuity proof fails
Thu, 20 May 2010 16:22:50 +0200 wenzelm determine margin just before rendering -- proper reformatting when updating;
Thu, 20 May 2010 15:51:28 +0200 wenzelm simplified alignment via FlowPanel;
Thu, 20 May 2010 13:54:31 +0200 wenzelm more systematic treatment of physical document wrt. font size etc.;
Thu, 20 May 2010 11:44:41 +0200 wenzelm tuned;
Thu, 20 May 2010 11:36:30 +0200 wenzelm general Isabelle_System.try_read;
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