Fri, 19 Jul 2013 20:56:39 +0200 wenzelm old Poly/ML 5.3.0 cannot share the massive heap of HOL anymore (after introduction of immutable theory in 38466f4f3483);
Fri, 19 Jul 2013 17:58:57 +0200 wenzelm just one option "skip_proofs", without direct access within the editor (it makes document processing stateful without strong reasons -- monotonic updates already handle goal forks smoothly);
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