@R Neil Haugen
If the p23.976 footage has 3:2 pulldown, it can be correctly removed in the Interpret Footage dialog box to run at i29.97.
If the p23.976 does not have pulldown then it should not be used in an i29.97 Timeline, but it gets done anyway. Hopefully, each production has a post production supervisor establishing the correct frame rate for project and everyone else adheres to it.
And yes, there is a little too much slight variation in summarizing video settings. When discussing DV-NTSC, for example, 480i60, 480i59.94, 480i30, and 480i29.97 maybe each be used to describe the same clip.
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