特殊なキーの記号
| command | ⌘ | 
| option | ⌥ | 
| shift | ⇧ | 
| control | ⌃ | 
|  |  | 
| esc | ⎋ | 
| tab | ⇥ | 
| space | ␣ | 
| delete | ⌫ | 
| return | ↩ | 
| forward delete | ⌦ | 
| home | ↖ | 
| end | ↘ | 
| page up | ⇞ | 
| page down | ⇟ | 
| clear | ⌧ | 
| enter | ⌤ |