Wed, 09 Jul 1997 16:53:53 +0200 wenzelm removed init_pps;
Wed, 09 Jul 1997 16:52:51 +0200 wenzelm removed init_database;
Wed, 09 Jul 1997 12:57:04 +0200 nipkow Improved length = size translation.
Mon, 07 Jul 1997 10:49:14 +0200 paulson New proofs involving CERTIFICATE VERIFY
Mon, 07 Jul 1997 09:09:21 +0200 wenzelm eliminated chmod -w;
Mon, 07 Jul 1997 09:07:08 +0200 wenzelm -w option;
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