src/Pure/Tools/update_comments.scala
Thu, 13 Sep 2018 21:18:43 +0200 wenzelm tuned;
Tue, 16 Jan 2018 09:12:16 +0100 wenzelm uniform treatment of old-style and new-style comments;
Sun, 14 Jan 2018 21:25:43 +0100 wenzelm eliminated clones;
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