Re: [PATCH v1] man/man7/standards.7: Document C27, C23, POSIX.1-2004, POSIX.1-2013, POSIX.1-2024, SUSv5

[Alejandro Colomar <alx@kernel.org>]

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On Tue, Dec 23, 2025 at 02:49:37PM +0100, Alejandro Colomar wrote:
> Cc: Collin Funk <collin.funk1@gmail.com>
> Reported-by: Seth McDonald <sethmcmail@pm.me>
> Signed-off-by: Alejandro Colomar <alx@kernel.org>
> ---
> 
> Hi Seth,
> 
> I've expanded standards(7) to include several standards that were
> undocumented.  Thanks for the report!
> 
> 
> Have a lovely day!
> Alex
> 
>  man/man7/standards.7 | 27 +++++++++++++++++++++++++++
>  1 file changed, 27 insertions(+)
> 
> diff --git a/man/man7/standards.7 b/man/man7/standards.7
> index a3ab6e219..1b685d213 100644
> --- a/man/man7/standards.7
> +++ b/man/man7/standards.7
> @@ -102,6 +102,14 @@ .SH DESCRIPTION
>  This revision of the C language standard was ratified by ISO in 2011
>  .RI ( "ISO/IEC 9899:2011" ).
>  .TP
> +.B C17
> +This revision of the C language standard was ratified by ISO in 2018
> +.RI ( "ISO/IEC 9899:2018" ).
> +.TP
> +.B C23
> +This revision of the C language standard was ratified by ISO in 2024
> +.RI ( "ISO/IEC 9899:2024" ).
> +.TP
>  .B LFS
>  The Large File Summit specification, completed in 1996.
>  This specification defined mechanisms that allowed 32-bit systems
> @@ -235,6 +243,10 @@ .SH DESCRIPTION
>  TC1 in 2003
>  and TC2 in 2004.
>  .TP
> +.B POSIX.1-2004
> +This revision of POSIX is technically identical to POSIX.1-2001 with
> +Technical Corrigenda 1 and 2 applied.
> +.TP
>  .B POSIX.1-2008
>  .TQ
>  .B SUSv4
> @@ -279,6 +291,10 @@ .SH DESCRIPTION
>  .UR http://www.opengroup.org\:/austin/
>  .UE .
>  .TP
> +.B POSIX.1-2013
> +This revision of POSIX is technically identical to POSIX.1-2008 with
> +Technical Corrigendum 1 applied.
> +.TP
>  .B SUSv4 2016 edition
>  This is equivalent to POSIX.1-2008, with the addition of
>  Technical Corrigenda 1 and 2 and the XCurses specification.
> @@ -295,6 +311,17 @@ .SH DESCRIPTION
>  manual pages under sections 0p (header files), 1p (commands),
>  and 3p (functions);
>  thus one can write "man 3p open".
> +.TP
> +.B POSIX.1-2024
> +.TQ
> +.B SUSv5
> +Work on the next revision of POSIX.1/SUS
> +was completed and ratified in 2024.
> +.IP
> +Further information can be found on the
> +.UR http://www.opengroup.org/\:austin/
> +Austin Group web site
> +.UE .

Amended with

	diff --git a/man/man7/standards.7 b/man/man7/standards.7
	index 1b685d213..e9e4101b8 100644
	--- a/man/man7/standards.7
	+++ b/man/man7/standards.7
	@@ -318,6 +318,10 @@ .SH DESCRIPTION
	 Work on the next revision of POSIX.1/SUS
	 was completed and ratified in 2024.
	 .IP
	+POSIX.1-2024 is aligned with C17,
	+so that all of the library functions standardized in C17
	+are also standardized in POSIX.1-2024.
	+.IP
	 Further information can be found on the
	 .UR http://www.opengroup.org/\:austin/
	 Austin Group web site

>  .SH SEE ALSO
>  .BR getconf (1),
>  .BR confstr (3),
> 
> Range-diff against v0:
> -:  --------- > 1:  4d36afef1 man/man7/standards.7: Document C27, C23, POSIX.1-2004, POSIX.1-2013, POSIX.1-2024, SUSv5
> -- 
> 2.51.0
> 
> 

-- 
<https://www.alejandro-colomar.es>

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