Mon, 30 Mar 2015 10:52:54 +0200 eberlm exposed approximation in ML
Mon, 30 Mar 2015 00:13:37 +0200 wenzelm clarified NEWS (cf. 97872c658a44);
Sun, 29 Mar 2015 23:08:03 +0200 wenzelm clarified equality of formal entities;
Sun, 29 Mar 2015 22:38:18 +0200 wenzelm merged
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