get_visibility
Description:
Retrieves whether the text in this is visible.
See set_visibility.
Parameters:
| this | 
           a Entry  | 
      
Returns:
| 
           true if the text is currently visible  | 
      
Retrieves whether the text in this is visible.
See set_visibility.
| this | 
           a Entry  | 
      
| 
           true if the text is currently visible  |