Yeah, but I had to work out how it was supposed to work first
And I have to go outside to test any change I make

BTW, that fixes that issue. The other little issue that crept in (and was also in that test binary last night) is that the bars always appear to be 'not used in fix solution' shade, even when their corresponding azm/elv svn is showing as being used.
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Mk2a 60GB Blue. Serial 030102962 sig.mp3: File Format not Valid.