X-Git-Url: http://git.cyclocoop.org/?a=blobdiff_plain;f=resources%2Fsrc%2Fmediawiki.language%2Fmediawiki.language.js;h=8fed6954f58f0d4732964dbc7053daf2fbb841b9;hb=ea286bf7e6bffe65bb387477d5d3a9410f3e7676;hp=dfb71128701e3422bc040bc7ef1256fa5839d914;hpb=c5d44cc0cfcb8053479f617f4a5c2427178948dd;p=lhc%2Fweb%2Fwiklou.git

diff --git a/resources/src/mediawiki.language/mediawiki.language.js b/resources/src/mediawiki.language/mediawiki.language.js
index dfb7112870..8fed6954f5 100644
--- a/resources/src/mediawiki.language/mediawiki.language.js
+++ b/resources/src/mediawiki.language/mediawiki.language.js
@@ -163,18 +163,27 @@
 		},
 
 		/**
-		 * Formats language tags according the BCP47 standard.
+		 * Formats language tags according the BCP 47 standard.
 		 * See LanguageCode::bcp47 for the PHP implementation.
 		 *
 		 * @param {string} languageTag Well-formed language tag
 		 * @return {string}
 		 */
 		bcp47: function ( languageTag ) {
-			var formatted,
+			var bcp47Map,
+				formatted,
+				segments,
 				isFirstSegment = true,
-				isPrivate = false,
-				segments = languageTag.split( '-' );
+				isPrivate = false;
 
+			languageTag = languageTag.toLowerCase();
+
+			bcp47Map = mw.language.getData( mw.config.get( 'wgUserLanguage' ), 'bcp47Map' );
+			if ( bcp47Map && Object.prototype.hasOwnProperty.call( bcp47Map, languageTag ) ) {
+				languageTag = bcp47Map[ languageTag ];
+			}
+
+			segments = languageTag.split( '-' );
 			formatted = segments.map( function ( segment ) {
 				var newSegment;