From 1f8652df6553265fe08a8daf2412dabbd40b3351 Mon Sep 17 00:00:00 2001
From: Alexandre Emsenhuber <ialex.wiki@gmail.com>
Date: Sat, 10 Nov 2012 14:02:51 +0100
Subject: [PATCH] Follow-up I551a90b0 (c2172d4): add one more check for null
 content

Change-Id: Ifa26ea8df0c5dd1f4c6ecabb9c8020bb84401ea3
---
 includes/Revision.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/includes/Revision.php b/includes/Revision.php
index df02b16db3..02eec315ed 100644
--- a/includes/Revision.php
+++ b/includes/Revision.php
@@ -985,7 +985,7 @@ class Revision implements IDBAccessObject {
 	 * Gets the content object for the revision
 	 *
 	 * @since 1.21
-	 * @return Content
+	 * @return Content|null
 	 */
 	protected function getContentInternal() {
 		if( is_null( $this->mContent ) ) {
@@ -1003,7 +1003,8 @@ class Revision implements IDBAccessObject {
 				: $handler->unserializeContent( $this->mText, $format );
 		}
 
-		return $this->mContent->copy(); // NOTE: copy() will return $this for immutable content objects
+		// NOTE: copy() will return $this for immutable content objects
+		return $this->mContent ? $this->mContent->copy() : null;
 	}
 
 	/**
-- 
2.20.1