Tue, 27 Jul 2010 22:42:53 +0200 avoid repeated File.read for theory text (as before);
wenzelm [Tue, 27 Jul 2010 22:42:53 +0200] rev 37980
avoid repeated File.read for theory text (as before); misc tuning and simplification;
Tue, 27 Jul 2010 22:23:32 +0200 tuned messages and comments;
wenzelm [Tue, 27 Jul 2010 22:23:32 +0200] rev 37979
tuned messages and comments;
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