Mon, 20 Aug 2007 20:43:59 +0200 wenzelm TextIO.inputLine: non-critical (assume exclusive ownership);
Mon, 20 Aug 2007 20:43:58 +0200 wenzelm tuned merge operations via pointer_eq;
Mon, 20 Aug 2007 20:38:32 +0200 huffman cleaned up; declared more simp rules
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