Fri, 12 Jul 2013 14:28:19 +0200 wenzelm allow spaces in file names;
Wed, 10 Jul 2013 16:25:26 +0200 wenzelm more robust identifier syntax: sub/superscript counts as modifier of LETDIG part instead of LETTER, both isub/isup and sub/sup are allowed;
Fri, 12 Jul 2013 14:18:07 +0200 smolkas added |>! and #>! for convenient printing of timing information
Fri, 12 Jul 2013 14:18:07 +0200 smolkas preplay failures might be resolved later, so proceed as usual
Fri, 12 Jul 2013 14:18:06 +0200 smolkas more reasonable preplay_interface semantics
Fri, 12 Jul 2013 14:18:06 +0200 smolkas tuned
Fri, 12 Jul 2013 14:18:06 +0200 smolkas minimize dependencies (used facts) of Isar proof steps; remove unreferenced steps
Fri, 12 Jul 2013 13:12:21 +0200 wenzelm merged
Fri, 12 Jul 2013 12:18:17 +0200 wenzelm clarified memo_exec: plain synchronized access without any special tricks;
Fri, 12 Jul 2013 12:17:03 +0200 wenzelm tuned;
Fri, 12 Jul 2013 12:04:16 +0200 wenzelm clarified execution: maintain running execs only, check "stable" separately via memo (again);
Fri, 12 Jul 2013 11:28:03 +0200 wenzelm tuned signature;
Fri, 12 Jul 2013 11:07:02 +0200 wenzelm clarified module name;
Thu, 11 Jul 2013 23:24:40 +0200 wenzelm more explicit type Exec.context;
Thu, 11 Jul 2013 22:53:56 +0200 wenzelm tuned signature;
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