Optimize the graph by removing edges to non-matching cells. Make all of
authormdw <mdw>
Wed, 7 Feb 2001 09:08:44 +0000 (09:08 +0000)
committermdw <mdw>
Wed, 7 Feb 2001 09:08:44 +0000 (09:08 +0000)
the graph links be contiguous so the main loop can give up earlier.


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