Mon, 15 Nov 2004 13:51:43 +0100 aspinall Add <undoitem> for theory-state undos.
Mon, 15 Nov 2004 12:13:14 +0100 paulson Renamed some variables to eliminate conflicts with constants.
Sun, 14 Nov 2004 01:56:58 +0100 webertj *** empty log message ***
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