K 10 svn:author V 8 cperciva K 8 svn:date V 27 2010-11-23T04:50:01.235802Z K 7 svn:log V 191 Add parentheses for clarity. The parentheses around the two terms of the && are unnecessary but I'm leaving them in for the sake of avoiding confusion (I confuse easily). Submitted by: bde END