Sat, 03 Jan 2015 20:28:53 +0100 wenzelm tuned signature;
Sat, 03 Jan 2015 20:22:27 +0100 wenzelm more formal Graph_Display.Node (with ordering) and Graph_Display.Edge;
Sat, 03 Jan 2015 15:45:01 +0100 wenzelm more uniform support for graph display in ML/Scala;
Sat, 03 Jan 2015 14:54:33 +0100 wenzelm recovered tooltip from 6e77ddb1e3fb: non-null default is required as prerequisite;
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