Wed, 30 May 2018 14:46:04 +0200 wenzelm clarified outermost progress.interrupt_handler;
Wed, 30 May 2018 14:34:43 +0200 wenzelm report theory progress via PIDE node status;
Thu, 31 May 2018 10:59:54 +0200 blanchet merge
Thu, 31 May 2018 10:59:36 +0200 blanchet more conservative output, avoiding nonstandard feature of E
Wed, 30 May 2018 23:11:28 +0100 paulson merged
Wed, 30 May 2018 23:11:12 +0100 paulson winding numbers predicate
Wed, 30 May 2018 13:44:53 +0200 nipkow unused
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