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

From: Stefan Monnier <[email-masked]>
Date: Mon, 13 Feb 2023 16:01:10 -0500

>> > Don't understand why `symbol-function' of `help-fns--analyze-function' knows
>> > about it, but compiler and REPL not.
>> 
>> I believe you're confused:
>> 
>>     ELISP> (symbol-function 'describe-char-display)
>>     nil
>>     ELISP> (help-fns--analyze-function 'describe-char-display)
>>     *** Eval error ***  Symbol’s function definition is void: describe-char-display
>>     ELISP> 
>> 
>> My crystal ball suggests you have tested these in an Emacs where
>> `descr-text` happened to be loaded already.
>
> No, "C-h f describe-char-display RET" loads descr-text.

`C-h f` is not the same as `symbol-function` or
`help-fns--analyze-function`.  You're just seeing
`help-enable-auto-load` in action.

        Stefan