Sun, 18 Jan 2015 21:35:54 +0100 wenzelm proper scrolling wrt. transform;
Sun, 18 Jan 2015 20:15:05 +0100 wenzelm clarified main actions and keyboard focus;
Sun, 18 Jan 2015 19:21:10 +0100 wenzelm tuned signature;
Sun, 18 Jan 2015 19:09:41 +0100 wenzelm retain uniform background, notably wrt. PDF output and tree panel;
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