From 7bf2eb8ba09b54cec804446ea39a3e658773fac9 Mon Sep 17 00:00:00 2001
From: Pierre Schmitz <pierre@archlinux.de>
Date: Sat, 21 May 2016 08:33:14 +0200
Subject: Update to MediaWiki 1.26.3

---
 includes/Linker.php | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'includes/Linker.php')

diff --git a/includes/Linker.php b/includes/Linker.php
index 9b5ff27b..f0fa4a5a 100644
--- a/includes/Linker.php
+++ b/includes/Linker.php
@@ -1073,7 +1073,16 @@ class Linker {
 		if ( !$title ) {
 			$title = $wgTitle;
 		}
-		$attribs['rel'] = Parser::getExternalLinkRel( $url, $title );
+		$newRel = Parser::getExternalLinkRel( $url, $title );
+		if ( !isset( $attribs['rel'] ) || $attribs['rel'] === '' ) {
+			$attribs['rel'] = $newRel;
+		} elseif( $newRel !== '' ) {
+			// Merge the rel attributes.
+			$newRels = explode( ' ', $newRel );
+			$oldRels = explode( ' ', $attribs['rel'] );
+			$combined = array_unique( array_merge( $newRels, $oldRels ) );
+			$attribs['rel'] = implode( ' ', $combined );
+		}
 		$link = '';
 		$success = Hooks::run( 'LinkerMakeExternalLink',
 			array( &$url, &$text, &$link, &$attribs, $linktype ) );
-- 
cgit v1.2.3-54-g00ecf