From 08b0eb170badbb1f518e656aa868156fd01154d3 Mon Sep 17 00:00:00 2001
From: Ryan Boren <ryan@git.wordpress.org>
Date: Wed, 8 Nov 2006 01:12:41 +0000
Subject: [PATCH] Fix amp handling. Props skeltoac.  fixes #3328

git-svn-id: https://develop.svn.wordpress.org/trunk@4451 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/formatting.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/wp-includes/formatting.php b/wp-includes/formatting.php
index 2a22eb93e7..747f0099da 100644
--- a/wp-includes/formatting.php
+++ b/wp-includes/formatting.php
@@ -109,7 +109,9 @@ function seems_utf8($Str) { # by bmorel at ssi dot fr
 
 function wp_specialchars( $text, $quotes = 0 ) {
 	// Like htmlspecialchars except don't double-encode HTML entities
-	$text = preg_replace('/&([^#])(?![a-z1-4]{1,8};)/', '&#038;$1', $text);
+	$text = str_replace('&&', '&#038;&', $text);
+	$text = str_replace('&&', '&#038;&', $text);
+	$text = preg_replace('/&(?:$|([^#])(?![a-z1-4]{1,8};))/', '&#038;$1', $text);
 	$text = str_replace('<', '&lt;', $text);
 	$text = str_replace('>', '&gt;', $text);
 	if ( 'double' === $quotes ) {