Tue, 16 Oct 2012 21:30:52 +0200 wenzelm support for more informative errors in lazy enumerations;
Tue, 16 Oct 2012 21:26:36 +0200 wenzelm more informative errors for 'also' and 'finally';
Tue, 16 Oct 2012 20:35:24 +0200 wenzelm tuned messages;
Tue, 16 Oct 2012 20:23:00 +0200 wenzelm more proof method text position information;
Tue, 16 Oct 2012 17:47:23 +0200 wenzelm clarified defer/prefer: more specific errors;
Tue, 16 Oct 2012 16:50:03 +0200 wenzelm updated Toplevel.proofs;
Tue, 16 Oct 2012 15:14:12 +0200 wenzelm more informative errors for 'proof' and 'apply' steps;
Tue, 16 Oct 2012 15:02:49 +0200 wenzelm more friendly handling of Pure.thy bootstrap errors;
Tue, 16 Oct 2012 14:14:37 +0200 wenzelm more informative error for stand-alone 'qed';
Tue, 16 Oct 2012 14:02:02 +0200 wenzelm further attempts to unify/simplify goal output;
Tue, 16 Oct 2012 13:06:40 +0200 wenzelm more informative error messages of initial/terminal proof methods;
Mon, 15 Oct 2012 19:03:02 +0200 wenzelm merged
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