[PATCH] Add _FORTIFY_SOURCE implementation documentation [BZ #28998]

[Andreas Schwab]

On Dez 15 2022, Siddhesh Poyarekar via Libc-alpha wrote:

> diff --git a/manual/creature.texi b/manual/creature.texi
> index 530a02398e..c4f9d99469 100644
> --- a/manual/creature.texi
> +++ b/manual/creature.texi
> @@ -305,7 +305,9 @@ included.
>  If this macro is defined to @math{1}, security hardening is added to
>  various library functions.  If defined to @math{2}, even stricter
>  checks are applied. If defined to @math{3}, @theglibc{} may also use
> -checks that may have an additional performance overhead.
> +checks that may have an additional performance overhead.  See
> +@xref{Source Fortification,,Fortification of function calls} for more

No See before @xref.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."