> Hmm... I didn't notice that part.  But then do they also appear with
 > a line-move-ignore-invisible set to nil and a disable-point-adjustment
 > set to t?  I would guess not (this case being trivial).
 >
 > If so, maybe the solution is to do as I suggested: get rid of
 > line-move-ignore-invisible and use (not disable-point-adjustment) in
 > its place.

FWIW, the following seems to work: Disable point-adjustment in
interactive use of `next-line' and `previous-line' and apply one of my
earlier proposed changes.  Stephen, please try again with default
rear-stickiness.