bug#55904: 29.0.50; Docstring in Help vs. Customize buffer

[Eli Zaretskii]

> From: Arash Esbati <arash@gnu.org>
> Date: Sat, 11 Jun 2022 12:16:48 +0200
> 
>   • emacs -Q
>   • M-x load-library RET whitespace RET
>   • C-h v whitespace-action RET
>   • Look at the docstring which look Ok
>   • Hit the customize button which looks like this
> 
> Note the extra indentations after nil and autocleanup.

This is because the doc string included TABs.  Now fixed on the
release branch.

Thanks.