Sat, 21 May 2022 14:07:24 +0000 haftmann »nil« seems to be a reserved constructor word in PolyML
Tue, 17 May 2022 14:10:14 +0100 paulson tidied auto / simp with null arguments
Wed, 11 May 2022 10:42:24 +0200 wenzelm tuned signature;
Wed, 11 May 2022 09:53:29 +0200 wenzelm provide Isabelle/Electron test;
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