Thu, 12 Feb 1998 14:53:00 +0100 wenzelm added explicit signature;
Thu, 12 Feb 1998 14:52:17 +0100 wenzelm improved comments;
Thu, 12 Feb 1998 12:37:53 +0100 wenzelm fixed add_trrules: intern root;
Thu, 12 Feb 1998 12:36:55 +0100 wenzelm export map_trrule;
Thu, 12 Feb 1998 12:36:28 +0100 wenzelm tuned add_trrules;
Thu, 12 Feb 1998 12:35:50 +0100 wenzelm improved is_letter etc.;
Tue, 10 Feb 1998 10:27:30 +0100 paulson New Addsimps for Compl rules
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