Add month-only date format.

The BookManagerv2 extension needs support for dates that consist
of only a month and a year, and I think this is something that
would potentially be useful to other extensions as well.

Change-Id: I3672b0b0aee196890981302a41daeefb61130141

diff --git a/languages/messages/MessagesEn.php b/languages/messages/MessagesEn.php
index 826c364..92f264c 100644 (file)
--- a/languages/messages/MessagesEn.php
+++ b/languages/messages/MessagesEn.php
@@ -161,21 +161,25 @@ $datePreferenceMigrationMap = array(
 $dateFormats = array(
        'mdy time' => 'H:i',
        'mdy date' => 'F j, Y',
+       'mdy monthonly' => 'F Y',
        'mdy both' => 'H:i, F j, Y',
        'mdy pretty' => 'F j',
 
        'dmy time' => 'H:i',
        'dmy date' => 'j F Y',
+       'dmy monthonly' => 'F Y',
        'dmy both' => 'H:i, j F Y',
        'dmy pretty' => 'j F',
 
        'ymd time' => 'H:i',
        'ymd date' => 'Y F j',
+       'ymd monthonly' => 'Y F',
        'ymd both' => 'H:i, Y F j',
        'ymd pretty' => 'F j',
 
        'ISO 8601 time' => 'xnH:xni:xns',
        'ISO 8601 date' => 'xnY-xnm-xnd',
+       'ISO 8601 monthonly' => 'xnY-xnm',
        'ISO 8601 both' => 'xnY-xnm-xnd"T"xnH:xni:xns',
        'ISO 8601 pretty' => 'xnm-xnd'
 );