Simplify the check to make it more understandable

diff --git a/includes/WikiPage.php b/includes/WikiPage.php
index 262235f..71a439b 100644 (file)
--- a/includes/WikiPage.php
+++ b/includes/WikiPage.php
@@ -1040,7 +1040,7 @@ class WikiPage extends Page {
                // Delete if changing from redirect to non-redirect
                $isRedirect = !is_null( $redirectTitle );
 
-               if ( !$isRedirect && !is_null( $lastRevIsRedirect ) && $lastRevIsRedirect === $isRedirect ) {
+               if ( !$isRedirect && $lastRevIsRedirect === false ) {
                        return true;
                }