In this section:
An extra CLEARWIN_INFO@ parameter has been added to help programs with several edit boxes.
'ACTIVE_EDIT_BOX' returns the address of the EDIT_INFO array of the currently active edit box. Notice that this edit box might not have focus if, for example, the user had just moved to a menu item.
'EDIT_KEY' returns the ASCII value of the last key pressed. This information can be obtained in response to a return of 'DATA_ALTERATION' from CLEARWIN_STRING@('CALLBACK_REASON'). In order to activate this feature you must use the %eb[extended]. The call-back is called after the change has been made so you will need to use one of the above editing functions if you want to undo the key press.