fix redirect detection in getAutosummary

diff --git a/includes/ContentHandler.php b/includes/ContentHandler.php
index 2768af4..82fb049 100644 (file)
--- a/includes/ContentHandler.php
+++ b/includes/ContentHandler.php
@@ -475,8 +475,8 @@ abstract class ContentHandler {
 
         // Redirect autosummaries
 
-        $ot = !empty( $ot ) ? $oldContent->getRedirectTarget() : false;
-        $rt = !empty( $rt ) ? $newContent->getRedirectTarget() : false;
+        $ot = !is_null( $oldContent ) ? $oldContent->getRedirectTarget() : false;
+        $rt = !is_null( $newContent ) ? $newContent->getRedirectTarget() : false;
 
         if ( is_object( $rt ) && ( !is_object( $ot ) || !$rt->equals( $ot ) || $ot->getFragment() != $rt->getFragment() ) ) {