Sun, 07 Jun 2015 21:30:53 +0200 wenzelm clarified: declare props once and for all;
Sun, 07 Jun 2015 20:03:40 +0200 wenzelm tuned signature;
Sun, 07 Jun 2015 15:35:49 +0200 wenzelm tuned signature;
Sun, 07 Jun 2015 15:01:07 +0200 wenzelm tuned signature;
Sun, 07 Jun 2015 14:36:36 +0200 wenzelm tuned;
Sun, 07 Jun 2015 12:55:42 +0200 wenzelm tuned;
Sun, 07 Jun 2015 12:55:28 +0200 wenzelm tuned;
Sun, 07 Jun 2015 12:43:06 +0200 wenzelm tuned whitespace;
Sat, 06 Jun 2015 13:38:24 +0200 wenzelm more tight treatment of subgoals: main goal may refer to extra variables;
Fri, 05 Jun 2015 13:41:06 +0200 wenzelm added Isar command 'supply';
Fri, 05 Jun 2015 13:26:12 +0200 wenzelm tuned;
Fri, 05 Jun 2015 11:11:26 +0200 wenzelm clarified signature -- better support for Isar commands outside of Pure;
Wed, 03 Jun 2015 21:48:40 +0200 wenzelm merged
Wed, 03 Jun 2015 19:25:05 +0200 wenzelm clarified context;
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