Wed, 30 Dec 2009 22:29:37 +0100 wenzelm removed obsolete version check -- sanity delegated to Isabelle_System;
Wed, 30 Dec 2009 21:32:25 +0100 wenzelm eliminated Markup.edits/EDITS: Isar.edit_document reports Markup.edit/EDIT while running under new document id;
Wed, 30 Dec 2009 20:25:35 +0100 wenzelm tuned signature;
Wed, 30 Dec 2009 13:05:00 +0100 wenzelm less ambitious isatest for SML/NJ;
Wed, 30 Dec 2009 10:24:53 +0100 krauss killed a few warnings
Wed, 30 Dec 2009 01:08:33 +0100 krauss more regular axiom of infinity, with no (indirect) reference to overloaded constants
Tue, 29 Dec 2009 20:59:47 +0100 wenzelm back to Unsynchronized.ref, with some attempts to make the main operations actually thread-safe;
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