Fri, 05 Feb 1999 21:10:19 +0100 wenzelm *** empty log message ***
Fri, 05 Feb 1999 21:06:24 +0100 wenzelm more robust handling of theory context;
Fri, 05 Feb 1999 21:04:58 +0100 wenzelm improved theory, context, update_context;
Fri, 05 Feb 1999 21:04:31 +0100 wenzelm improved 'theory';
Fri, 05 Feb 1999 21:03:33 +0100 wenzelm improved msg;
Fri, 05 Feb 1999 21:03:06 +0100 wenzelm use_thy, update_thy: Context.save;
Fri, 05 Feb 1999 21:02:17 +0100 wenzelm tuned;
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