From ac00862f443f2105142d4ea583e0fd24c1c16d55 Mon Sep 17 00:00:00 2001
From: Sergey Biryukov <sergeybiryukov.ru@gmail.com>
Date: Thu, 17 Sep 2020 10:14:07 +0000
Subject: [PATCH] Formatting: Make sure `links_add_target()` adds the `target`
 attribute to the correct tag.

Previously, the attribute could unintentionally be added to a tag that starts with the same characters, e.g. `<aside>` instead of `<a>`.

Props antonlukin.
Fixes #51313.
Built from https://develop.svn.wordpress.org/trunk@48983


git-svn-id: http://core.svn.wordpress.org/trunk@48745 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/formatting.php | 2 +-
 wp-includes/version.php    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/wp-includes/formatting.php b/wp-includes/formatting.php
index 9159ae4c69..063e02115e 100644
--- a/wp-includes/formatting.php
+++ b/wp-includes/formatting.php
@@ -5243,7 +5243,7 @@ function links_add_target( $content, $target = '_blank', $tags = array( 'a' ) )
 	global $_links_add_target;
 	$_links_add_target = $target;
 	$tags              = implode( '|', (array) $tags );
-	return preg_replace_callback( "!<($tags)([^>]*)>!i", '_links_add_target', $content );
+	return preg_replace_callback( "!<($tags)((\s[^>]*)?)>!i", '_links_add_target', $content );
 }
 
 /**
diff --git a/wp-includes/version.php b/wp-includes/version.php
index efdab6ce3c..ec5d7c9b1f 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.6-alpha-48982';
+$wp_version = '5.6-alpha-48983';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.