Sun, 25 Jan 2015 22:11:06 +0100 wenzelm discontinued obsolete option "document_graph";
Sun, 25 Jan 2015 21:46:21 +0100 wenzelm provide session_graph.pdf via Isabelle/Scala;
Sun, 25 Jan 2015 20:22:20 +0100 wenzelm support for session graph from Scala side;
Sun, 25 Jan 2015 20:16:27 +0100 wenzelm support for off-line graph output, without GUI thread;
Sun, 25 Jan 2015 18:31:35 +0100 wenzelm make it independent from GUI thread, e.g. for Graph_File.write;
Sun, 25 Jan 2015 17:48:14 +0100 wenzelm separate module Graph_File;
Sun, 25 Jan 2015 17:17:37 +0100 wenzelm tuned comments;
Sun, 25 Jan 2015 15:40:28 +0100 wenzelm tuned;
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