1997-07-09 removed obsolete init_pps and init_thy_reader;
wenzelm [Wed, 09 Jul 1997 17:00:34 +0200] rev 3511
removed obsolete init_pps and init_thy_reader;
1997-07-09 improved type checking errors;
wenzelm [Wed, 09 Jul 1997 16:54:17 +0200] rev 3510
improved type checking errors;
1997-07-09 removed init_pps;
wenzelm [Wed, 09 Jul 1997 16:53:53 +0200] rev 3509
removed init_pps;
1997-07-09 removed init_database;
wenzelm [Wed, 09 Jul 1997 16:52:51 +0200] rev 3508
removed init_database;
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