| <html> |
| <head> |
| </head> |
| <body> |
| ==================== Version 0 ==================== |
| <element/> |
| ==================== Version 1 ==================== |
| <element {urn:one,x,width}x:width="300"/> |
| ==================== Version 2 ==================== |
| <element {urn:one,x,width}x:width="300" {urn:two,y,width}y:width="200"/> |
| ==================== Version 3 ==================== |
| <element {urn:one,x,width}x:width="300" {urn:two,y,width}y:width="200" {urn:three,z,width}z:width="An image"/> |
| ==================== Version 4 ==================== |
| <element {urn:one,x,width}x:width="400" {urn:two,y,width}y:width="200" {urn:three,z,width}z:width="An image"/> |
| ==================== Version 5 ==================== |
| <element {urn:one,x,width}x:width="400" {urn:two,y,width}y:width="300" {urn:three,z,width}z:width="An image"/> |
| ==================== Version 6 ==================== |
| <element {urn:two,y,width}y:width="300" {urn:three,z,width}z:width="An image"/> |
| ==================== Version 7 ==================== |
| <element {urn:three,z,width}z:width="An image"/> |
| ==================== Version 8 ==================== |
| <element/> |
| =================================================== |
| First undo to version 7: OK |
| First undo to version 6: OK |
| First undo to version 5: OK |
| First undo to version 4: OK |
| First undo to version 3: OK |
| First undo to version 2: OK |
| First undo to version 1: OK |
| First undo to version 0: OK |
| Redo to version 1: OK |
| Redo to version 2: OK |
| Redo to version 3: OK |
| Redo to version 4: OK |
| Redo to version 5: OK |
| Redo to version 6: OK |
| Redo to version 7: OK |
| Redo to version 8: OK |
| Second undo to version 7: OK |
| Second undo to version 6: OK |
| Second undo to version 5: OK |
| Second undo to version 4: OK |
| Second undo to version 3: OK |
| Second undo to version 2: OK |
| Second undo to version 1: OK |
| Second undo to version 0: OK |
| </body> |
| </html> |
