bug#38601: describe-mode never says the most important thing

[Eli Zaretskii <eliz@gnu.org>]

> From: 積丹尼 Dan Jacobson
>  <jidanni@jidanni.org>
> Date: Sat, 14 Dec 2019 07:29:31 +0800
> 
>   ^L
>   Electric-Indent minor mode (no indicator):
>   Toggle on-the-fly reindentation (Electric Indent mode).
>   With a prefix argument ARG, enable Electric Indent mode if ARG is
>   positive, and disable it otherwise.  If called from Lisp, enable
>   the mode if ARG is omitted or nil.
> 
>   When enabled, this reindents whenever the hook ‘electric-indent-functions’
>   returns non-nil, or if you insert a character from ‘electric-indent-chars’.
> 
>   This is a global minor mode.  To toggle the mode in a single buffer,
>   use ‘electric-indent-local-mode’.
>   ^L
> 
> The problem is, it doesn't mention how to turn it on and off!

Actually, it does: that's the last sentence above.

> The user has to click on each line right after an ^L, to learn that he
> simply needs to do e.g.,
> 
>   (electric-indent-mode &optional ARG)

That's not a user command, that's a Lisp way of doing this stuff, and
therefore doesn't have to be anywhere near the beginning of the help
text.

So I think we should close this as a non-b ug.