The SHOW KEY (abbreviated SH K) command displays the current definition
 of a keypad, function or control key.

 Format: SHOW KEY key-name

 Where key-name is one of the following: (alternatives separated by "|")

 [GOLD] number |[GOLD] CONTROL char |[GOLD] CONTROL "char"
 [GOLD] CONTROL 'char' |GOLD character |GOLD "character"
 GOLD 'character' |[GOLD] DELETE  |[GOLD] FUNCTION number

 Number refers to keypad and function keys and CONTROL char names
 specific control keys Char is limited to @, A to Z, [, \, ], ^ and _,
 but the case of letters is ignored. DELETE refers to the delete
 character, which is not a control character.  Character refers to any
 keyboard key except 0-9, though - is not useful.  Upper and lower case
 letters are considered equivalent. Characters !, %, ', and " must be
 enclosed in quotation marks.

 For the meaning of the string printed by the SHOW KEY command, see HELP
 DEFINE KEY.