Wed, 01 Apr 2020 20:17:23 +0200 wenzelm pretty formatting as in Isabelle/ML;
Wed, 01 Apr 2020 18:36:58 +0200 wenzelm output prover messages;
Wed, 01 Apr 2020 18:22:19 +0200 wenzelm clarified signature;
Wed, 01 Apr 2020 18:19:46 +0200 wenzelm clarified signature: more robust;
Wed, 01 Apr 2020 14:32:30 +0200 wenzelm proper parent base;
Wed, 01 Apr 2020 13:55:30 +0200 wenzelm traditional print_mode for batch build;
Wed, 01 Apr 2020 12:59:05 +0200 wenzelm proper support for "isabelle build -P Pure";
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