Mon, 24 Sep 2018 12:16:19 +0200 wenzelm clarified signature;
Mon, 24 Sep 2018 12:07:17 +0200 wenzelm eliminated dead code (see b806a7678083);
Mon, 24 Sep 2018 11:58:07 +0200 wenzelm tuned -- removed spurious dead code from 7b9a67cbd48f;
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