bug#38583: [PATCH] 27.0.50; Add unattended spell-checking to checkdoc

[Eli Zaretskii]

> From: Damien Cassou <damien@cassou.me>
> Cc: "Ken Stevens" <k.stevens@ieee.org>, "Eric M. Ludlam" <zappo@gnu.org>,
>  "Alex Branham" <alex.branham@gmail.com>, "Lars Ingebrigtsen"
>  <larsi@gnus.org>, "Paul Eggert" <eggert@cs.ucla.edu>, "Eli Zaretskii"
>  <eliz@gnu.org>
> Date: Thu, 12 Dec 2019 22:26:35 +0100
> 
> This series of patches makes checkdoc capable of spell-checking even
> when the user isn't using it interactively. When TAKE-NOTES is non-nil,
> checkdoc will run spell-checking (with ispell) and report spelling
> mistakes.

Thanks.

What happens if none of the spellers supported by ispell.el is
installed on the user's system?