Re: Arg preserve_echo_area is ignored in redisplay_internal ()

[Kenichi Handa]

In article <address@hidden>, Eli Zaretskii <address@hidden> writes:

> > In xdisp.c, redisplay_internal has the arg
> > preserve_echo_area but it is not used in that function.
> > Does it mean that the arg is obsolete now, or that there's
> > some bug in the function?

> Neither.  It's a provision for future development, as the commentary
> says:

>     /* If PRESERVE_ECHO_AREA is nonzero, it means this redisplay is not in
>        response to any user action; therefore, we should preserve the echo
>        area.  (Actually, our caller does that job.)  Perhaps in the future
>        avoid recentering windows if it is not necessary; currently that
>        causes some problems.  */

Ah, I see.  "Actually, our caller does that job" means that
the arg can be ignored currently.  Thank you.

---
Kenichi Handa
address@hidden