--- a/wp/wp-includes/js/tinymce/wp-tinymce.php	Mon Oct 14 18:06:33 2019 +0200
+++ b/wp/wp-includes/js/tinymce/wp-tinymce.php	Mon Oct 14 18:28:13 2019 +0200
@@ -1,38 +1,42 @@
 <?php
 /**
+ * Not used in core since 5.1.
+ * This is a back-compat for plugins that may be using this method of loading directly.
+ */
+
+/**
  * Disable error reporting
  *
  * Set this to error_reporting( -1 ) for debugging.
  */
-error_reporting(0);
+error_reporting( 0 );
 
-$basepath = dirname(__FILE__);
+$basepath = dirname( __FILE__ );
 
-function get_file($path) {
+function get_file( $path ) {
 
-	if ( function_exists('realpath') )
-		$path = realpath($path);
+	if ( function_exists( 'realpath' ) ) {
+		$path = realpath( $path );
+	}
 
-	if ( ! $path || ! @is_file($path) )
+	if ( ! $path || ! @is_file( $path ) ) {
 		return false;
+	}
 
-	return @file_get_contents($path);
+	return @file_get_contents( $path );
 }
 
 $expires_offset = 31536000; // 1 year
 
-header('Content-Type: application/javascript; charset=UTF-8');
-header('Vary: Accept-Encoding'); // Handle proxies
-header('Expires: ' . gmdate( "D, d M Y H:i:s", time() + $expires_offset ) . ' GMT');
-header("Cache-Control: public, max-age=$expires_offset");
+header( 'Content-Type: application/javascript; charset=UTF-8' );
+header( 'Vary: Accept-Encoding' ); // Handle proxies
+header( 'Expires: ' . gmdate( 'D, d M Y H:i:s', time() + $expires_offset ) . ' GMT' );
+header( "Cache-Control: public, max-age=$expires_offset" );
 
-if ( isset($_GET['c']) && 1 == $_GET['c'] && isset($_SERVER['HTTP_ACCEPT_ENCODING'])
-	&& false !== stripos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') && ( $file = get_file($basepath . '/wp-tinymce.js.gz') ) ) {
-
-	header('Content-Encoding: gzip');
+if ( isset( $_GET['c'] ) && ( $file = get_file( $basepath . '/wp-tinymce.js' ) ) ) {
 	echo $file;
 } else {
-	// Back compat. This file shouldn't be used if this condition can occur (as in, if gzip isn't accepted).
+	// Even further back compat.
 	echo get_file( $basepath . '/tinymce.min.js' );
 	echo get_file( $basepath . '/plugins/compat3x/plugin.min.js' );
 }