Aperture Smart Albums Duplicates Problem

I set up a Smart Album and a Smart Web Gallery today and immediately ran into a problem.

I made the smart filter match the keyword gallery and ignore stack grouping. That way I can simply tag anything with gallery and it will appear as if by magic. And it did. But then I dragged an image in a project into my Wallpaper album. That created a new version, and that version inherited its metadata from its original, so it also had the gallery keyword and it duly appeared in my Smart Web Gallery as a duplicate.

The fix was to make the Smart Web Gallery match the keyword gallery and match the version name if it does not include "version". So now the versions are rejected by the filter.

Another thing that worked was to remove the gallery keyword from the new version, but that is something I would have to do for every image that has a version anywhere. Tedious and error-prone.
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