Mon, 06 Jul 2015 11:39:41 +0200 wenzelm clarified section references;
Mon, 06 Jul 2015 11:32:15 +0200 wenzelm tuned;
Mon, 06 Jul 2015 11:24:06 +0200 wenzelm clarified sections;
Mon, 06 Jul 2015 11:14:44 +0200 wenzelm removed outdated and mostly obsolete material;
Mon, 06 Jul 2015 10:56:14 +0200 wenzelm tuned;
Mon, 06 Jul 2015 10:54:15 +0200 wenzelm tuned whitespace;
Sun, 05 Jul 2015 23:16:35 +0200 wenzelm clarified context;
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