[PATCH] manual: Update _DEFAULT_SOURCE.

[Rical Jasan]

On 02/19/2018 08:14 AM, Joseph Myers wrote:
> On Mon, 19 Feb 2018, Rical Jasan wrote:
>> Also, _DEFAULT_SOURCE is supposed to be defined if none of the C/POSIX
>> feature test macros are defined, but the condition was lacking a test
>> for _ISOC11_SOURCE, so that is also addressed.
> 
> I think this is a header bug that was user-visible in releases, so should 
> be filed in Bugzilla before being fixed.

I created BZ #22862. [0]  Should I commit now, with an update to the
commit message/ChangeLog to include the BZ#?

Rical

[0] https://sourceware.org/bugzilla/show_bug.cgi?id=22862