Mon, 16 Sep 2013 17:42:05 +0200 wenzelm more antiquotations -- avoid unchecked string literals;
Mon, 16 Sep 2013 17:18:56 +0200 wenzelm more explicit exception pattern (NB: unqualified exceptions without arguments are in danger of becoming catch-all patterns by accident);
Mon, 16 Sep 2013 17:13:38 +0200 wenzelm distinguish Proof.context vs. local_theory semantically, with corresponding naming conventions;
Mon, 16 Sep 2013 17:04:28 +0200 wenzelm tuned white space;
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