Followup r98578 - expect nulls

diff --git a/includes/EditPage.php b/includes/EditPage.php
index d1c8ec5..d12eb59 100644 (file)
--- a/includes/EditPage.php
+++ b/includes/EditPage.php
@@ -1851,7 +1851,7 @@ HTML
                global $wgOut, $wgUser;
 
                $wikitext = $this->safeUnicodeOutput( $content );
-               if ( $wikitext !== '' ) {
+               if ( strval($wikitext) !== '' ) {
                        // Ensure there's a newline at the end, otherwise adding lines
                        // is awkward.
                        // But don't add a newline if the ext is empty, or Firefox in XHTML