Sun, 10 Aug 1997 12:28:34 +0200 Added select1_equality
nipkow [Sun, 10 Aug 1997 12:28:34 +0200] rev 3646
Added select1_equality
Fri, 08 Aug 1997 11:22:59 +0200 added append_file;
wenzelm [Fri, 08 Aug 1997 11:22:59 +0200] rev 3645
added append_file;
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