Sun, 10 Feb 2019 18:04:48 +0100 wenzelm auto-hinting of original DejaVu fonts, but not Isabelle symbols;
Fri, 08 Feb 2019 14:42:28 +0100 wenzelm tuned signature: proper exports;
Fri, 08 Feb 2019 14:06:20 +0100 wenzelm more Haskell operations;
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