RE: [External] : Printing function documentation via an interactive option

[Heime <heimeborgia@protonmail.com>]

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On Friday, May 10th, 2024 at 9:25 AM, Drew Adams <drew.adams@oracle.com> wrote:

> > Would it be possible to display the documentation of the current function
> > should a user select the initial value "?". Furthermore, because I am
> > requiring a match, would the initial-value have to be included in
> > COLLECTION ?
> > 
> > (interactive
> > (list
> > (let ( (cseq '("global-activate" "global-deactivate" "?")) )
> > (completing-read "Switch: " cseq nil t "?"))))
> 
> 
> All that does is put `?' in the minibuffer, with point just after it. If you
> just hit RET at that point then the string "?" is provided as the value of 
> your function's first argument. Unless the body of your function interprets 
> that "?" string as an instruction to invoke` describe-function' on your function, 
> then no, just reading that "?" isn't going to show the help for your function.

Yes, I have a pcase that interprets the "?" as the function argument.
So describe-function can call itself ?