Sat, 28 Sep 2013 22:47:17 +0200 wenzelm make SML/NJ more happy;
Sat, 28 Sep 2013 20:24:13 +0200 wenzelm enforce IsabelleText font for better symbol coverage, especially on Windows;
Sat, 28 Sep 2013 16:36:17 +0200 wenzelm proper wrapper for parser -- more explicit error;
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