log .hgsubstate @ 827:45e6add4cc50

age author description
Wed, 03 Sep 2014 11:44:40 +0100 Chris Cannam Remove redundant code (from coverity scan)
Wed, 03 Sep 2014 11:42:39 +0100 Chris Cannam Fix potential divide by zero
Wed, 03 Sep 2014 11:41:58 +0100 Chris Cannam Clarify some sneaky logic