Sat, 10 Mar 2018 15:52:47 +0100 workaround for occasional deadlock seen in HOL-Proofs with threads=2;
wenzelm [Sat, 10 Mar 2018 15:52:47 +0100] rev 67814
workaround for occasional deadlock seen in HOL-Proofs with threads=2;
Sat, 10 Mar 2018 14:43:15 +0100 adapted to 3869b2400e22;
wenzelm [Sat, 10 Mar 2018 14:43:15 +0100] rev 67813
adapted to 3869b2400e22;
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