Wed, 07 Mar 2018 19:02:22 +0100 wenzelm more abbrevs -- this makes "(=" ambiguous and thus simplifies input of "(=)" (within the context of Main HOL);
Wed, 07 Mar 2018 17:39:18 +0100 wenzelm tuned -- more uniform;
Wed, 07 Mar 2018 17:27:57 +0100 wenzelm eliminated somewhat pointless parallelism (from 857da80611ab): usually hundreds of tasks with < 1ms each, also note that the enclosing join_theory happens within theory graph parallelism;
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