src/Pure/Concurrent/synchronized.scala
Mon, 24 Oct 2016 12:16:12 +0200 wenzelm discontinued unused / untested distinction of separate PIDE modules;
Thu, 24 Apr 2014 13:10:42 +0200 wenzelm proper signaling after each state update (NB: ML version does this uniformly via timed_access);
Thu, 24 Apr 2014 12:09:55 +0200 wenzelm synchronized access, similar to ML version;
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