Tue, 20 Jun 2017 17:14:27 +0200 proper treatment of empty result;
wenzelm [Tue, 20 Jun 2017 17:14:27 +0200] rev 66142
proper treatment of empty result;
Tue, 20 Jun 2017 17:08:24 +0200 clarified modules;
wenzelm [Tue, 20 Jun 2017 17:08:24 +0200] rev 66141
clarified modules;
Tue, 20 Jun 2017 16:17:54 +0200 tuned signature;
wenzelm [Tue, 20 Jun 2017 16:17:54 +0200] rev 66140
tuned signature;
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