Sun, 23 Sep 2018 20:33:35 +0200 wenzelm more robust: logic image might be absent in PIDE session;
Sun, 23 Sep 2018 19:59:53 +0200 wenzelm discontinued old-style inner comments;
Sun, 23 Sep 2018 19:59:32 +0200 wenzelm tuned;
Sun, 23 Sep 2018 19:17:57 +0200 wenzelm eliminated old-style inner comments;
Sun, 23 Sep 2018 17:14:06 +0200 nipkow More standard precedences
Sun, 23 Sep 2018 15:42:19 +0200 nipkow more standard syntax
Sun, 23 Sep 2018 13:45:37 +0200 nipkow News
Sun, 23 Sep 2018 12:50:12 +0200 nipkow use standard syntax
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