From d3a4aa7e294ec8d81ec0fecf1bebab7037aa0a45 Mon Sep 17 00:00:00 2001
From: Andrew Nacin <nacin@git.wordpress.org>
Date: Thu, 28 Feb 2013 19:51:29 +0000
Subject: [PATCH] Ignore protected meta keys in meta_form(). see #18786.

git-svn-id: https://develop.svn.wordpress.org/trunk@23534 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-admin/includes/template.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/wp-admin/includes/template.php b/wp-admin/includes/template.php
index 07d5fed55b..644857f5eb 100644
--- a/wp-admin/includes/template.php
+++ b/wp-admin/includes/template.php
@@ -535,6 +535,8 @@ function meta_form() {
 <?php
 
 	foreach ( $keys as $key ) {
+		if ( is_protected_meta( $key, 'post' ) )
+			continue;
 		echo "\n<option value='" . esc_attr($key) . "'>" . esc_html($key) . "</option>";
 	}
 ?>