Tue, 10 Mar 1998 14:27:44 +0100 wenzelm adhoc fix of is_blank;
Tue, 10 Mar 1998 13:27:13 +0100 nipkow New scanner in abstract form.
Tue, 10 Mar 1998 13:24:11 +0100 nipkow New simplifier flag for mutual simplification.
Tue, 10 Mar 1998 13:23:35 +0100 nipkow Removed expand_split from simpset.
Mon, 09 Mar 1998 16:30:55 +0100 wenzelm removed pred;
Mon, 09 Mar 1998 16:17:28 +0100 wenzelm eliminated pred function;
Mon, 09 Mar 1998 16:16:21 +0100 wenzelm Symbol.explode;
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