bug#64233: patch: Ensure that makeinfo ≥ 6.8 checks the @menu structure

[Pádraig Brady]

On 22/06/2023 23:05, Bruno Haible wrote:
> Makeinfo versions < 6.7 detected mistakes in the @menu structure of TeXinfo
> input. Makeinfo versions ≥ 6.8 don't do this any more by default. They need
> an extra option, for this validation to happen. See
> <https://lists.gnu.org/archive/html/bug-texinfo/2023-06/msg00015.html>.
>
> Since doc/coreutils.texi has a hand-written @menu, it should use this extra
> option.
>
> Here's a patch to that effect. I checked it by running
>    touch doc/coreutils.texi; make doc/coreutils.info V=1
> and
>    make sc_makefile_at_at_check


coreutils has a dep on makeinfo >= 6.1
and that version supports the -c option,
so the change should work everywhere.

Pushed.

Marking this as done.

thanks!
Pádraig