diff --git a/wp-admin/includes/post.php b/wp-admin/includes/post.php
index 641e518640..d99ce2bd23 100644
--- a/wp-admin/includes/post.php
+++ b/wp-admin/includes/post.php
@@ -1551,7 +1551,9 @@ function wp_tiny_mce( $teeny = false, $settings = false ) {
script_concat_settings();
$language = $initArray['language'];
- $zip = $compress_scripts ? 1 : 0;
+
+ $compressed = $compress_scripts && $concatenate_scripts && isset($_SERVER['HTTP_ACCEPT_ENCODING'])
+ && false !== strpos( strtolower($_SERVER['HTTP_ACCEPT_ENCODING']), 'gzip');
/**
* Deprecated
@@ -1585,8 +1587,8 @@ tinyMCEPreInit = {
\n";
+ if ( $compressed )
+ echo "\n";
else
echo "\n";
@@ -1599,7 +1601,7 @@ tinyMCEPreInit = {