src/Pure/Admin/build_cygwin.scala
Mon, 28 Aug 2017 19:06:00 +0200 wenzelm updated to cygwin-20170828, which is close to Cygwin 2.8.2-1;
Tue, 28 Feb 2017 19:50:08 +0100 wenzelm proper Isabelle/Scala tool;
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