bug#40888: M-x man: don't redraw good pages when not finding bad pages

[Tomas Nordin]

Stefan Kangas <stefan@marxist.se> writes:

> Dan Jacobson <jidanni@jidanni.org> writes:
>
>> >>>>> "TN" == Tomas Nordin <tomasn@posteo.net> writes:
>> TN> under the super heading * Lisp Changes in Emacs 26.1.
>> Well all I know is with 26.3,
>> emacs or emacs -nw,
>> I still see a blink (the whole cat man page redrawn) when I do M-x man dog.
>
> I can reproduce this here.

Me too. I misunderstood and thought that the cat man buffer was
destroyed. But yes, I see the blink too, now I get the point.

>
> GNU Emacs 28.0.50 (build 51, x86_64-pc-linux-gnu, GTK+ Version
> 3.24.18, cairo version 1.16.0) of 2020-04-25
>
> Best regards,
> Stefan Kangas