From 8c7bb9009caee3d5b543ec4e5045df90c96acf97 Mon Sep 17 00:00:00 2001
From: John Blackbourn <johnbillion@git.wordpress.org>
Date: Thu, 23 Nov 2017 19:04:46 +0000
Subject: [PATCH] Users: Correct the value of the `lang` attribute in the admin
 area.

This corrects the value when the user's language is set to `English (United States)` but the site language is not.

Props ocean90, afercia

Fixes #42242

Built from https://develop.svn.wordpress.org/trunk@42220


git-svn-id: http://core.svn.wordpress.org/trunk@42049 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/general-template.php | 2 +-
 wp-includes/version.php          | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/wp-includes/general-template.php b/wp-includes/general-template.php
index 915aea540e..e694e2cb30 100644
--- a/wp-includes/general-template.php
+++ b/wp-includes/general-template.php
@@ -703,7 +703,7 @@ function get_bloginfo( $show = '', $filter = 'raw' ) {
 			 */
 			$output = __( 'html_lang_attribute' );
 			if ( 'html_lang_attribute' === $output || preg_match( '/[^a-zA-Z0-9-]/', $output ) ) {
-				$output = get_locale();
+				$output = is_admin() ? get_user_locale() : get_locale();
 				$output = str_replace( '_', '-', $output );
 			}
 			break;
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 4f31a3110c..bac97f4b3b 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.0-alpha-42218';
+$wp_version = '5.0-alpha-42220';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.