Subject: Re: bug#11278: 24.0.95; count-screen-lines wrong value for a corner case?

From: Chong Yidong <[email-masked]>
Date: Sat, 21 Apr 2012 18:01:32 +0800

Leo <[email-masked]> writes:

> Should (count-screen-lines (point) (point) t) return 1 instead of 0?
>
> Otherwise the return value of count-screen-lines when
> COUNT-FINAL-NEWLINE is non-nil takes 0, 2, 3, 4, 5...

I don't think it matters much either way, but if you change it, you need
to check that all the existing users of count-screen-lines won't break.
(Not worth the trouble IMO.)