diff --git a/wp-includes/functions-formatting.php b/wp-includes/functions-formatting.php
index 3ad94f5dfc..072a7537d2 100644
--- a/wp-includes/functions-formatting.php
+++ b/wp-includes/functions-formatting.php
@@ -73,7 +73,7 @@ function wpautop($pee, $br = 1) {
if ($br) $pee = preg_replace('|(?)\s*\n|', "
\n", $pee); // optionally make line breaks
$pee = preg_replace('!(?(?:table|thead|tfoot|caption|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|address|math|p|h[1-6])[^>]*>)\s*
!', "$1", $pee);
$pee = preg_replace('!
(\s*?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)>)!', '$1', $pee);
- $pee = preg_replace('!(