Sat, 05 Dec 2009 20:02:21 +0100 haftmann tuned lattices theory fragements; generlized some lemmas from sets to lattices
Mon, 07 Dec 2009 00:02:54 +0100 wenzelm avoid lazy val with side-effects -- spurious null pointers!?
Mon, 07 Dec 2009 00:02:07 +0100 wenzelm toString: more robust handling of null;
Sun, 06 Dec 2009 23:25:27 +0100 wenzelm proper markup text for loc;
Sun, 06 Dec 2009 23:09:14 +0100 wenzelm output_syms: permissive treatment of control symbols, cf. Scala version;
Sun, 06 Dec 2009 23:08:43 +0100 wenzelm basic treatment of special control symbols;
Sun, 06 Dec 2009 23:06:53 +0100 wenzelm elements: more convenient result;
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