Subject: bug#31968: 26.1.50; Allow to hide title bar on maximize (gtk/gnome/csd)

From: Eli Zaretskii <[email-masked]>
Date: Fri, 29 Apr 2022 21:57:02 +0300

> Date: Fri, 29 Apr 2022 20:11:47 +0300
> Cc: Po Lu <[email-masked]>, [email-masked],
>  Carlos Pita <[email-masked]>
> 
> `window-size-change-functions' is a strange choice to react to the event
> that maximizes the frame.

When a frame changes its size, at least one of its windows changes
dimensions, so these functions are called.