From 3a9829f9f1f6a81e5b59b01cae5bc611ad45a523 Mon Sep 17 00:00:00 2001
From: Andrew Nacin <nacin@git.wordpress.org>
Date: Sat, 4 Dec 2010 10:09:00 +0000
Subject: [PATCH] Introduce remove_editor_styles(). fixes #14903.

git-svn-id: https://develop.svn.wordpress.org/trunk@16721 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/theme.php | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/wp-includes/theme.php b/wp-includes/theme.php
index 8ad3de0dd8..3506bfa044 100644
--- a/wp-includes/theme.php
+++ b/wp-includes/theme.php
@@ -1674,6 +1674,10 @@ body { <?php echo trim( $style ); ?> }
  * the theme root. It also accepts an array of stylesheets.
  * It is optional and defaults to 'editor-style.css'.
  *
+ * Supports RTL stylesheets automatically by searching for the -rtl prefix, e.g.
+ * editor-style-rtl.css. If an array of stylesheets is passed to add_editor_style(),
+ * RTL is only added for the first stylesheet.
+ *
  * @since 3.0.0
  *
  * @param mixed $stylesheet Optional. Stylesheet name or array thereof, relative to theme root.
@@ -1697,6 +1701,22 @@ function add_editor_style( $stylesheet = 'editor-style.css' ) {
 	$editor_styles = array_merge( $editor_styles, $stylesheet );
 }
 
+/**
+ * Removes all visual editor stylesheets.
+ *
+ * @since 3.1.0
+ *
+ * @return bool True on success, false if there were no stylesheets to remove.
+ */
+function remove_editor_styles() {
+	if ( ! current_theme_supports( 'editor-style' ) )
+		return false;
+	_remove_theme_support( 'editor-style' );
+	if ( is_admin() )
+		$GLOBALS['editor_styles'] = array();
+	return true;
+}
+
 /**
  * Allows a theme to register its support of a certain feature
  *