Tue, 30 Sep 2014 18:44:01 +0200 nipkow tuned
Tue, 30 Sep 2014 16:40:03 +0200 blanchet don't call 'hd' on a possibly empty list
Tue, 30 Sep 2014 16:01:46 +0200 blanchet proper types for applied variables, for typed formats (TFF0, DFG)
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