Wed, 04 Mar 2009 14:23:54 +0100 wenzelm NEWS: renamed o2s to Option.set;
Wed, 04 Mar 2009 13:42:23 +0100 haftmann less arbitrary occurrences of undefined
Wed, 04 Mar 2009 13:41:59 +0100 haftmann datatype antiquotation does not assume LaTeX as output any longer
Wed, 04 Mar 2009 11:49:12 +0100 nipkow merged
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