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Document strftime %Ob and %OB as C2X features.

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C2X standardizes strftime %Ob and %OB support.  This patch updates the
glibc manual to say these are C2X features, while noting that the
details of what is the alternative form of a month name are not
specified in C2X.

Note: C2X seems unclear to me about whether %h being equivalent to %b
means %Oh is thereby allowed and equivalent to %Ob; I've asked WG14.

Tested with "make info" and "make pdf".

	* manual/time.texi (strftime): Document %Ob and %OB as C2X
	features.
This commit is contained in:
Joseph Myers 2019-08-22 12:38:40 +00:00
parent f615e3fced
commit c737ef0d64
2 changed files with 16 additions and 5 deletions
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@ -1,3 +1,8 @@
2019-08-22 Joseph Myers <joseph@codesourcery.com>
* manual/time.texi (strftime): Document %Ob and %OB as C2X
features.
2019-08-21 Paul Eggert <eggert@cs.ucla.edu>
Remove dead regex code

16
manual/time.texi
View File

@ -1352,7 +1352,11 @@ alternative numeric symbols.
With @code{%B}, @code{%b}, and @code{%h}: use the grammatical form for
month names that is appropriate when the month is named by itself,
rather than the form that is appropriate when the month is used as
part of a complete date. This is a GNU extension.
part of a complete date. The @code{%OB} and @code{%Ob} formats are a
C2X feature, specified in C2X to use the locale's `alternative' month
name; @theglibc{} extends this specification to say that the form used
in a complete date is the default and the form naming the month by
itself is the alternative.
@end table
If the format supports the modifier but no alternative representation
@ -1372,14 +1376,16 @@ The full weekday name according to the current locale.
@item %b
The abbreviated month name according to the current locale, in the
grammatical form used when the month is part of a complete date.
As a GNU extension, the @code{O} modifier can be used (@code{%Ob})
to get the grammatical form used when the month is named by itself.
As a C2X feature (with a more detailed specification in @theglibc{}),
the @code{O} modifier can be used (@code{%Ob}) to get the grammatical
form used when the month is named by itself.
@item %B
The full month name according to the current locale, in the
grammatical form used when the month is part of a complete date.
As a GNU extension, the @code{O} modifier can be used (@code{%OB})
to get the grammatical form used when the month is named by itself.
As a C2X feature (with a more detailed specification in @theglibc{}),
the @code{O} modifier can be used (@code{%OB}) to get the grammatical
form used when the month is named by itself.
Note that not all languages need two different forms of the month
names, so the text produced by @code{%B} and @code{%OB}, and by