TinyMCE: set the 'add_unload_trigger' option to false for the main editor. Prevents DOM problems in Firefox when reloading the page, see #24067.

git-svn-id: https://develop.svn.wordpress.org/trunk@26979 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/edit-form-advanced.php

@@ -485,6 +485,7 @@ if ( post_type_supports($post_type, 'editor') ) {
 	'editor_height' => 360,
 	'tinymce' => array(
 		'resize' => false,
+		'add_unload_trigger' => false,
 	),
 ) ); ?>
 <table id="post-status-info" cellspacing="0"><tbody><tr>