Re: Redisplay inside keyboard macros

[Eli Zaretskii <eliz@gnu.org>]

> From: Eduardo Ochs <eduardoochs@gmail.com>
> Date: Tue, 8 Feb 2022 12:17:52 -0300
> 
> I am trying to write a keyboard macro that does some things, pauses
> for one second, and then does more things, but I discovered that the
> obvious ways to do sleep-and-redisplay don't work. Try to run the code
> below with your favorite variant of C-e C-x C-e after each sexp:
> 
>   (defun eek (str)
>     "Execute STR as a keyboard macro. See `edmacro-mode' for the exact
> format.\n
>   An example: (eek \"C-x 4 C-h\")"
>     (interactive "sKeys: ")
>     (execute-kbd-macro (read-kbd-macro str)))
> 
>   ;; Choose one:
>   (defun s () (interactive)                    (sleep-for 1))
>   (defun s () (interactive) (redisplay)        (sleep-for 1) (redisplay))
>   (defun s () (interactive) (redisplay 'force) (sleep-for 1) (redisplay
> 'force))
> 
>   (eek "RET ab <<s>> cd")
> 
> I expected to see an "ab", then a pause, then the "cd", but that's not
> what happens - I get a pause and then "abcd".
> 
> What am I doing wrong? I just triple-checked the docs about redisplay
> and this behavior makes no sense to me...

'redisplay' exits immediately if called from a keyboard macro.  It's a
feature.