Ticket #26638: l10n.patch

wp-includes/l10n.php

@@ -65 +65 @@
  * @return string Translated text
  */
 function translate( $text, $domain = 'default' ) {
+        if ($domain == 'default') {
+                return apply_filters( 'gettext', $text, $text, $domain );
+        }
+
         $translations = get_translations_for_domain( $domain );
         return apply_filters( 'gettext', $translations->translate( $text ), $text, $domain );
 }