get-item-plain-label in radio-box%

Like get-item-label, except that the label must be a string and ampersands in the label are removed.

• (send a-radio-box get-item-plain-label n) -> string
     n : exact non-negative integer

  If n is equal to or larger than the number of radio buttons in the radio box, an exn:application:mismatch exception is raised.