Wed, 30 Dec 2009 22:56:46 +0100 wenzelm simplified init message -- removed redundant session property;
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;
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