Wed, 09 Jul 1997 17:00:34 +0200 wenzelm removed obsolete init_pps and init_thy_reader;
Wed, 09 Jul 1997 16:54:17 +0200 wenzelm improved type checking errors;
Wed, 09 Jul 1997 16:53:53 +0200 wenzelm removed init_pps;
Wed, 09 Jul 1997 16:52:51 +0200 wenzelm removed init_database;
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