Sat, 16 Dec 2017 15:11:19 +0100 wenzelm more operations;
Sat, 16 Dec 2017 14:40:21 +0100 wenzelm tuned;
Sat, 16 Dec 2017 14:24:12 +0100 wenzelm recovered Options.default_markup, e.g. for src/Doc/antiquote_setup.ML (amending 16519cd83ed4);
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