regression in building the documentation after e67a551a4

A regression in building the documentation was introduced between e67a551a4..857af0e17:

../../20230613T160039.857af0e17/docs/grub.texi:968: warning: `.' or `,' must follow @xref, not `)'.
../../20230613T160039.857af0e17/docs/grub.texi:968: warning: for cross-references in parentheses, use @pxref.
../../20230613T160039.857af0e17/docs/grub-dev.texi:815: `Using the gdbinfo command' has no Up field (perhaps incorrect sectioning?).
../../20230613T160039.857af0e17/docs/grub-dev.texi:791: `OVMF debug log' has no Up field (perhaps incorrect sectioning?).
../../20230613T160039.857af0e17/docs/grub-dev.texi:815: warning: unreferenced node `Using the gdbinfo command'.
makeinfo: Removing output file `../../20230613T160039.857af0e17/docs/grub-dev.info' due to errors; use --force to preserve.
Makefile:1470: recipe for target '../../20230613T160039.857af0e17/docs/grub-dev.info' failed

This is a SLE12-SP5 environment. No specific makeinfo version requirement is mentioned in INSTALL.

Olaf

-----BEGIN PGP SIGNATURE-----
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=YTsU
-----END PGP SIGNATURE-----