bug#36250: [PATCH] Improve a bit frame-resize-pixelwise documentation

[Eli Zaretskii]

> Date: Fri, 28 Jun 2019 17:34:50 +0300
> From: Konstantin Kharlamov <hi-angel@yandex.ru>
> Cc: 36250@debbugs.gnu.org
> 
> Ah, I think I see, you probably read the
>       "to non-nil         in order to set the size of a frame in pixels"
> as
>       "to a numeric value in order to set the size of a frame in pixels".

No, the value is boolean.

The issue is a different one: "resizing" a frame vs "setting its
size", in particular when maximizing it.  These are two different (but
related) operations, and each paragraph talks about one of them.