[PATCH 3/3] manual: Add new header and standards annotations.

[Rical Jasan]

On 11/24/2016 05:37 AM, Joseph Myers wrote:
> As for names corresponding to standards / feature test macros, I suggest 
> one possibility:
> 
> C90 (everything is a superset of this apart from gets obsoletion)
> C95
> C99
> C11
>   (note that these four are normally selected with -std, not with feature 
>    test macros, though glibc has _ISOC99_SOURCE and _ISOC11_SOURCE)
> TR 27431-2:2010
> TS 18661-1:2014
> TS 18661-4:2015
> POSIX.1 (= 1990 edition)
> POSIX.2
> POSIX.1-1993
> POSIX.1-1995
> POSIX.1-2001
> XSI POSIX.1-2001
> POSIX.1-2008
> XSI POSIX.1-2008
> DEFAULT
> GNU
> XOPEN (= __USE_XOPEN; listed as XPG3 in conform/ tests; corresponds to 
>        functions in C435 that are not UX-shaded)
> XPG4 (= __USE_XOPEN_EXTENDED; corresponds to everything in C435)
> UNIX98
> LFS (= __USE_LARGEFILE64, i.e. *64 functions)

Since there haven't been any other proposals or comments on this one,
I'm using this list, but I was curious: is there a technical reason for
not using, e.g., "ISO C90"?

Rical