Thu, 07 Dec 2006 23:16:55 +0100 wenzelm reorganized structure Tactic vs. MetaSimplifier;
Thu, 07 Dec 2006 21:44:13 +0100 wenzelm begin/end blocks;
Thu, 07 Dec 2006 21:08:51 +0100 wenzelm abbrevs: more careful interpretation, avoid dynamic references to local names;
Thu, 07 Dec 2006 21:08:50 +0100 wenzelm definition/abbreviation: single argument;
Thu, 07 Dec 2006 21:08:48 +0100 wenzelm simplified add_abbrev -- single argument;
Thu, 07 Dec 2006 21:08:45 +0100 wenzelm removed obsolete references to ProofGeneral/isa;
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