Fri, 08 Oct 1993 12:30:01 +0100 wenzelm "The error/exception above ...": errorneous goal now quoted;
Thu, 07 Oct 1993 11:47:50 +0100 lcp used ~: for "not in"
Thu, 07 Oct 1993 10:48:16 +0100 lcp added ~: for "not in"
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