Tue, 08 May 2018 15:41:52 +0200 wenzelm more efficient query;
Tue, 08 May 2018 11:47:41 +0200 wenzelm more robust: self-export only;
Tue, 08 May 2018 11:36:33 +0200 wenzelm tuned signature;
Tue, 08 May 2018 15:06:19 +0200 nipkow merged
Tue, 08 May 2018 12:16:10 +0200 nipkow more "sorted" changes
Tue, 08 May 2018 10:22:58 +0200 nipkow more "sorted" changes
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