Ticket #23235: 23235.patch

wp-admin/js/editor.js

@@ -49 +49 @@
                         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');
                         setUserSetting('editor', 'html');