samsa
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Fix reporting of the number of IUP points
Currently the Tuple Variations panel presents as "IUP" the number of points that are not touched. This is incorrect, as points on contours that are not touched at all are not IUP, and nor are phantom points. There are actually 4 categories of points, regarding IUP status:
- touched outline points (not IUP)
- untouched outline points that are on touched contours (IUP)
- untouched outline points that are on untouched contours (not IUP)
- phantom points (not IUP, and these points cannot be IUP)