Syntax:  SET TOKEN HELP TOPIC help_topic defined_token
              defined_language

  Sets the help topic string for the given token.

  This command specifies a string that LSE uses to retrieve help text
  for the token.  The help topic string is appended to the string
  specified by the SET LANGUAGE HELP TOPIC command to form the complete
  topic string that LSE uses to look up the help text for this token.