Thu, 21 Mar 2019 12:41:58 +0100 wenzelm prefer central root: just one copy of this bulky material;
Thu, 21 Mar 2019 12:38:06 +0100 wenzelm updated to current opam-2.0.3, which is also the version provided by Cygwin 3.0.4;
Wed, 20 Mar 2019 23:06:51 +0100 wenzelm updated to cygwin-20190320;
Wed, 20 Mar 2019 22:41:50 +0100 wenzelm updated to Cygwin 3.0.4 (approximation for Isabelle2019);
Wed, 20 Mar 2019 22:01:12 +0100 wenzelm prefer ISABELLE_OCAML_SETUP: Cygwin lacks libzarith;
Wed, 20 Mar 2019 21:57:02 +0100 wenzelm more robust reference to ghc exe (with multi-platform support);
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