Now ignore negative rights, rather than treat them as positive.
authorEric Price <ecprice@mit.edu>
Mon, 12 Nov 2007 08:44:12 +0000 (03:44 -0500)
committerEric Price <ecprice@mit.edu>
Mon, 12 Nov 2007 08:44:12 +0000 (03:44 -0500)
Also, rearrange and clean up code.

svn path=/trunk/web/; revision=234


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