[PATCH v2] manual: Update @standards for [__]va_copy.

[Rical Jasan]

On 08/10/2017 09:34 AM, Florian Weimer wrote:
> On 06/20/2017 01:03 PM, Rical Jasan wrote:
>> The ISO version in which va_copy was introduced is made explicit, and
>> __va_copy is given @standards.  The description is updated to be more
>> clear about the origins of each macro, and the reader is informed
>> these macros are now provided by the compiler (information previously
>> embedded in a Texinfo @comment).
>>
>> 	* lang.texi (va_copy): Change standard from ISO to C99.
>> 	(__va_copy): Add standard and header annotation.
>> 	Update description for clarity of origins and current use.
> 
> Looks good to me.

Thank you.  Committed.

Rical