Sat, 03 Mar 2018 21:40:04 +0100 wenzelm more Java heap, e.g. relevant for hg.graph on Isabelle repository;
Sat, 03 Mar 2018 21:39:24 +0100 wenzelm more robust check -- do not rely on return code;
Sat, 03 Mar 2018 21:38:27 +0100 wenzelm more compact ML_Statistics, to make build_status work with less than 2GB heap;
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