Ticket #22717: 22717.patch

wp-includes/js/tinymce/plugins/wordpress/editor_plugin_src.js

@@ -307 +307 @@
                                         ed.plugins.wordpress._hideButtons();
                         });
 
+                        ed.onKeyDown.add(function(e){
+                                if ( e.which == tinymce.VK.DELETE || e.which == tinymce.VK.BACKSPACE ) 
+                                        ed.plugins.wordpress._hideButtons();
+                        });
+
                         closeOnClick = function(e){
                                 var id;