Well I can do the print from the code (so without opening the minibuffer),
so I guess the echo-area also triggers the more thorough redisplay.
So my question is, how can I get that redisplay without printing as
it seemd that `redisplay/force-window-update` don't work.

On Sat, 16 Apr 2022 at 20:38, Eli Zaretskii <eliz@gnu.org> wrote:
> Date: Sat, 16 Apr 2022 21:36:23 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: emacs-devel@gnu.org
>
> In general, when you enter the echo area, Emacs performs a more
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sorry, I meant "the minibuffer" there, not the echo area.