Sun, 11 Nov 2007 14:00:11 +0100 wenzelm abbrev: PrintMode.input instead of PrintMode.internal for global version!
Sun, 11 Nov 2007 14:00:10 +0100 wenzelm renamed update_list to cons_list;
Sun, 11 Nov 2007 14:00:09 +0100 wenzelm syntax operations: turned extend'' into update'' (absorb duplicates);
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