| <html> |
| <head> |
| </head> |
| <body> |
| ==================== Version 0 ==================== |
| <div> |
| <b>Bold</b> |
| <img src="one.png"/> |
| <i>Italic</i> |
| <img src="two.png"/> |
| <u>Underline</u> |
| <img src="three.png"/> |
| <s>Strikethrough</s> |
| </div> |
| ==================== Version 1 ==================== |
| <div> |
| <b>Bold</b> |
| <img src="one.png"/> |
| <i>Italic</i> |
| <img src="two.png"/> |
| <u>Underline</u> |
| <img src="three.png"/> |
| </div> |
| ==================== Version 2 ==================== |
| <div> |
| <b>Bold</b> |
| <img src="one.png"/> |
| <i>Italic</i> |
| <img src="two.png"/> |
| <img src="three.png"/> |
| </div> |
| ==================== Version 3 ==================== |
| <div> |
| <b>Bold</b> |
| <img src="one.png"/> |
| <img src="two.png"/> |
| <img src="three.png"/> |
| </div> |
| ==================== Version 4 ==================== |
| <div> |
| <img src="one.png"/> |
| <img src="two.png"/> |
| <img src="three.png"/> |
| </div> |
| =================================================== |
| 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 |
| 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> |
