bug#61457: 30.0.50; compiler falsely complains missing ‘describe-char-display’

[Andreas Röhler]

Don't understand why `symbol-function' of `help-fns--analyze-function' 
knows about it, but compiler and REPL not.

Am 12.02.23 um 20:21 schrieb Eli Zaretskii:
> > Date: Sun, 12 Feb 2023 19:55:08 +0100
> > From: Andreas Röhler <andreas.roehler@easy-emacs.de>
> >
> > when running ‘M-x byte-compile-file RET’ with the following form in it,
> >
> > ---
> > (describe-char-display (point) (char-after))
> > ---
> >
> > compiler complains:
> >
> > ---
> > In end of data:
> > foo.el:6831:17: Warning: the function ‘describe-char-display’ is not known
> >       to be defined.
> Which is correct: you need to (require 'descr-text).
>
> > Whereas ‘M-x describe-function RET’ tells correctly:
> >
> > ---
> > describe-char-display is a byte-compiled Lisp function in
> > ‘descr-text.el’.
> >
> > (describe-char-display POS CHAR)
> Which is also correct.
>
> So what is it that you are complaining about here?