DifferenceEngine: use a fake title when there's no real title

Bug: T202454
Change-Id: I9ee90acc833de93b5fa2579b5debc9637c9e9c5b

diff --git a/includes/diff/DifferenceEngine.php b/includes/diff/DifferenceEngine.php
index 2ceda21..67968fb 100644 (file)
--- a/includes/diff/DifferenceEngine.php
+++ b/includes/diff/DifferenceEngine.php
@@ -279,6 +279,11 @@ class DifferenceEngine extends ContextSource {
                return $slots;
        }
 
+       public function getTitle() {
+               // T202454 avoid errors when there is no title
+               return parent::getTitle() ?: Title::makeTitle( NS_SPECIAL, 'BadTitle/DifferenceEngine' );
+       }
+
        /**
         * Set reduced line numbers mode.
         * When set, line X is not displayed when X is 1, for example to increase readability and