HELPTABLE     3
BEGIN
    HELPITEM  IDDLG_PREFERENCES, IDTABLE_PREFERENCES, ...
END

HELPSUBTABLE  IDTABLE_PREFERENCES
BEGIN
    HELPSUBITEM  IDCTL_BUTTON_UNDO, IDPNL_UNDO
    HELPSUBITEM  IDCTL_BUTTON_REDO, IDPNL_REDO

    ...

END
