Re: Delayed warnings

[Eli Zaretskii]

> From: Juanma Barranquero <address@hidden>
> Date: Wed, 27 Apr 2011 02:55:57 +0200
> Cc: martin rudalics <address@hidden>, Emacs developers <address@hidden>
> 
> - delayed-warnings-list: the list where desired warnigns are added.
> - delayed-warnings-function: the function to show warnings and reset
> `delayed-warning-list'. Defaults to `display-delayed-warnings'.
> - delayed-warnings-filter: a function that sould be called from
> `delayed-warnings-function' to filter out unwanted messages.
> 
> plus one function:
> 
> - display-delayed-warnings: Default value of
> `delayed-warnings-function'. It calls `display-warning' on the
> warnings (after filtering them with `delayed-warnings-filter'), then
> resets the warnings list to nil.
> 
> I think this is conveniently flexible, and allows the user to filter
> out unwanted warnings with ease:
> 
> (lexical-let* ((unwanted '("unwanted warning 1" "unwanted warning 2" ...))
>                (unwanted-re (regexp-opt unwanted)))
>   (defun my-delayed-warnings-filter (warning)
>     (let ((text (cadr warning)))
>       (and (string-match-p unwanted-re text)
>            (message "%s: %s" (car warning) text)))))

Is it possible to also arrange from critical parts of the C code, such
as display engine, to automatically display any delayed warnings when
redisplay is done?