Wed, 11 Apr 2012 21:40:46 +0200 wenzelm rule composition via attribute "OF" (or ML functions OF/MRS) is more tolerant against multiple unifiers;
Wed, 11 Apr 2012 20:42:28 +0200 wenzelm standardized ML aliases;
Wed, 11 Apr 2012 15:02:48 +0200 wenzelm clarified proof_result: finish proof formally via head tr, not end_tr;
Wed, 11 Apr 2012 14:20:51 +0200 wenzelm tuned;
Wed, 11 Apr 2012 13:49:09 +0200 wenzelm more robust Future.fulfill wrt. duplicate assignment and interrupt;
Wed, 11 Apr 2012 13:37:46 +0200 wenzelm tuned message;
Wed, 11 Apr 2012 12:15:56 +0200 wenzelm always signal after cancel_group: passive tasks may have become active;
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