Ticket #4047: 4047_2.patch

_source/plugins/wysiwygarea/plugin.js

@@ -433 +433 @@
                                                 if ( keystrokeHandler )
                                                         keystrokeHandler.attach( domDocument );
 
+                                                // Cancel default action for backspace in IE on control types. (#4047)
+                                                if ( CKEDITOR.env.ie )
+                                                {
+                                                        editor.on( 'key', function( event )
+                                                        {
+                                                                // Backspace.
+                                                                var control;
+                                                                if ( ( event.data.keyCode == 8 )
+                                                                         &&  ( control = editor.getSelection().getSelectedElement() ) )
+                                                                {
+                                                                        // Make undo snapshot.
+                                                                        editor.fire( 'saveSnapshot' );
+                                                                        // Remove manually.
+                                                                        control.remove();
+                                                                        editor.fire( 'saveSnapshot' );
+                                                                        event.cancel();
+                                                                }
+                                                        } );
+                                                }
+
                                                 // Adds the document body as a context menu target.
                                                 if ( editor.contextMenu )
                                                         editor.contextMenu.addTarget( domDocument );