Subject: bug#2749: 23.0.91; Visual Line Mode: incorrect
line wrapping in corner case
> This behavior is expected. The word wrap algorithm treats lines that
> are too long to wrap using the ordinary line-wrapping rules, and since
> overflow-newline-into-fringe is disabled in Visual Line mode, the extra
> empty line is used to show the non-overflowed newline character.
> After the release, I might look into letting word wrap handle
> overflow-newline-into-fringe behavior. I suspect, however, that this
> may lead to confusing results in some circumstances.
BTW: why is overflow-newline-into-fringe ignored when word-wrap is
non-nil? What kind of confusing results are you thinking of?