Mon, 05 Jul 2010 15:12:20 +0200 haftmann tuned proof
Mon, 05 Jul 2010 15:12:20 +0200 haftmann tuned
Mon, 05 Jul 2010 23:07:36 +0200 wenzelm Outer_Syntax.prepare_command: disallow control commands here, and consequently in Isar documents;
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