Sun, 29 Nov 2015 19:01:54 +0100 nipkow RBT invariants for insert
Sat, 28 Nov 2015 23:59:08 +0100 wenzelm removed junk;
Fri, 27 Nov 2015 19:00:27 +0100 wenzelm merged
Fri, 27 Nov 2015 18:59:47 +0100 wenzelm more reactive GUI;
Fri, 27 Nov 2015 18:47:39 +0100 wenzelm tuned;
Fri, 27 Nov 2015 18:01:13 +0100 nipkow paint root black after insert and delete
Wed, 25 Nov 2015 15:58:22 +0100 wenzelm observe option "indent";
Tue, 24 Nov 2015 23:17:03 +0100 wenzelm more scalable GUI;
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