Mon, 11 Jul 2011 22:50:29 +0200 wenzelm made SML/NJ happy;
Mon, 11 Jul 2011 22:19:11 +0200 wenzelm more uniform padded_markup, which is important for caret visibility despite absence of markup;
Mon, 11 Jul 2011 17:22:31 +0200 wenzelm merged
Mon, 11 Jul 2011 07:04:30 +0200 haftmann merged
Sun, 10 Jul 2011 22:42:53 +0200 haftmann tuned proofs
Sun, 10 Jul 2011 22:17:33 +0200 haftmann tuned notation
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