Fri, 30 Dec 2016 18:02:27 +0100 haftmann dropped slightly outdated comment
Fri, 30 Dec 2016 20:43:40 +0100 wenzelm merged
Fri, 30 Dec 2016 20:36:13 +0100 wenzelm manage changes of external files;
Fri, 30 Dec 2016 17:45:00 +0100 wenzelm more explicit edits -- eliminated Clear;
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