Wed, 15 Oct 1997 15:15:22 +0200 wenzelm tuned;
Wed, 15 Oct 1997 15:14:56 +0200 wenzelm eliminated aliasing merge: now always extends;
Wed, 15 Oct 1997 15:13:43 +0200 wenzelm tuned comment;
Wed, 15 Oct 1997 15:13:25 +0200 wenzelm improved print_data;
Wed, 15 Oct 1997 15:12:59 +0200 wenzelm tuned;
Wed, 15 Oct 1997 11:43:27 +0200 wenzelm slightly changed interfaces for oracles;
Wed, 15 Oct 1997 11:27:55 +0200 nipkow Added ack to Mateja Jamnik.
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