From 5c4cff0a293549759d483713e812b47a05a5e01f Mon Sep 17 00:00:00 2001
From: Andrew Ozz <azaozz@git.wordpress.org>
Date: Fri, 22 Mar 2013 20:43:37 +0000
Subject: [PATCH] Editor: fix switching Text to Visual and back if TinyMCE
 fails to initialise, fixes #23235

git-svn-id: https://develop.svn.wordpress.org/trunk@23790 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-admin/js/editor.js | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/wp-admin/js/editor.js b/wp-admin/js/editor.js
index bd71cc87bd..e54e836cc2 100644
--- a/wp-admin/js/editor.js
+++ b/wp-admin/js/editor.js
@@ -49,8 +49,15 @@ var switchEditors = {
 			if ( ed && ed.isHidden() )
 				return false;
 
-			if ( ed )
+			if ( ed ) {
 				ed.hide();
+			} else {
+				// The TinyMCE instance doesn't exist, run the content through "pre_wpautop()" and show the textarea
+				if ( tinyMCEPreInit.mceInit[id] && tinyMCEPreInit.mceInit[id].wpautop )
+					txtarea_el.value = t.pre_wpautop( txtarea_el.value );
+
+				dom.setStyles(txtarea_el, {'display': '', 'visibility': ''});
+			}
 
 			dom.removeClass(wrap_id, 'tmce-active');
 			dom.addClass(wrap_id, 'html-active');