Sat, 29 Dec 2018 18:45:57 +0100 wenzelm merged
Sat, 29 Dec 2018 17:37:02 +0100 wenzelm clarified signature, notably cascade of dump_options, deps, resources, session;
Sat, 29 Dec 2018 16:13:05 +0100 wenzelm unused;
Sat, 29 Dec 2018 16:11:24 +0100 wenzelm clarified signature;
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