Mon, 22 Aug 2011 20:11:44 +0200 wenzelm reduced warnings;
Mon, 22 Aug 2011 20:00:04 +0200 wenzelm tuned message;
Mon, 22 Aug 2011 17:10:22 +0200 wenzelm old-style numbered structure index is legacy feature (hardly ever used now);
Mon, 22 Aug 2011 16:12:23 +0200 wenzelm added official Text.Range.Ordering;
Mon, 22 Aug 2011 14:15:52 +0200 wenzelm tuned signature;
Mon, 22 Aug 2011 12:17:22 +0200 wenzelm reverted some odd changes to HOL/Import (cf. 74c08021ab2e);
Mon, 22 Aug 2011 10:57:33 +0200 krauss merged
Sun, 21 Aug 2011 22:13:04 +0200 krauss modernized specifications
Sun, 21 Aug 2011 22:13:04 +0200 krauss removed session HOL/Subst -- now subsumed my more modern HOL/ex/Unification.thy
Sun, 21 Aug 2011 22:13:04 +0200 krauss removed technical or trivial unused facts
Sun, 21 Aug 2011 22:13:04 +0200 krauss more precise authors and comments;
Sun, 21 Aug 2011 22:13:04 +0200 krauss added proof of idempotence, roughly after HOL/Subst/Unify.thy
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