Wed, 29 Sep 2021 11:55:09 +0200 wenzelm clarified examples;
Wed, 29 Sep 2021 06:56:39 +0000 haftmann repaired slip
Wed, 29 Sep 2021 09:58:19 +0200 desharna merged
Tue, 28 Sep 2021 12:35:43 +0200 desharna updated to Zipperposition 2.1
Tue, 28 Sep 2021 11:11:44 +0200 desharna fixed veriT environment variable in sledgehammer's documentation
Tue, 28 Sep 2021 23:25:13 +0200 wenzelm avoid overlapping PIDE markup (amending bb25ea271b15);
Tue, 28 Sep 2021 22:50:22 +0200 wenzelm recover some Linux test, using virtual machine node (Ubuntu 20.04, 4 cores, 16 GB);
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