Consider...

*------------------------------------------------------
This.Routine:

  crt ' [P]rint  [X]  ' : 

  input Ans, 1

  begin case
    case Ans = 'P'  ;  gosub Print.Me
    case Ans = 'X'  ;  go    The.End    
    case 1          ;  go    This.Routine
  end case

return

*--------------------------------------------------------

--Bill


> I'm trying to determine for my homegrown editor
> when a keystroke is pressed in Unidata.
>
>   KEY = IN()
>   KEY.ID=KEY
>
>    What do I need to do next to make the KEY.ID
> into a useful value to check?
>
> CHAR?
> SEQ?
>
>
> Thanks,
> Ralph
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