fix replaceSection(): return null for content models that don't support sections

diff --git a/includes/Content.php b/includes/Content.php
index e3b26a6..793e62b 100644 (file)
--- a/includes/Content.php
+++ b/includes/Content.php
@@ -298,7 +298,7 @@ abstract class Content {
         * @return string Complete article text, or null if error
         */
        public function replaceSection( $section, Content $with, $sectionTitle = ''  ) {
-               return $this;
+               return null;
        }
 
        /**