This function does uses the special '-1' mode of TomsMoComp for jaggy-free upscaling. It also requires SimpleResize?, obviously, as part of the step to remove bobbing.

function TomsBob (clip c)
{
c = c.SeparateFields.TomsMoComp(0,-1,0).SimpleResize?(c.width,c.height+1)
# add this if your clip starts on a half-frame (e.g. a top-field
# in a BottomFirst? clip)
c = c.Trim(1,0)
# invert these for TopFirst? source material
bottom = c.SelectEven?
top = c.SelectOdd?
bottom = bottom.Crop(0,1,0,0)
top = top.Crop(0,0,0,-1)
return interleave(bottom, top)
}

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