'return the help text'

def get_help_text(self):

    return '\n---    pySerial    ({version})    -    miniterm    -    help\n---\n---    {exit:8}    Exit    program\n---    {menu:8}    Menu    escape    key,    followed    by:\n---    Menu    keys:\n---                {menu:7}    Send    the    menu    character    itself    to    remote\n---                {exit:7}    Send    the    exit    character    itself    to    remote\n---                {info:7}    Show    info\n---                {upload:7}    Upload    file    (prompt    will    be    shown)\n---                {repr:7}    encoding\n---                {filter:7}    edit    filters\n---    Toggles:\n---                {rts:7}    RTS            {dtr:7}    DTR            {brk:7}    BREAK\n---                {echo:7}    echo        {eol:7}    EOL\n---\n---    Port    settings    ({menu}    followed    by    the    following):\n---                p                                        change    port\n---                7    8                                set    data    bits\n---                N    E    O    S    M        change    parity    (None,    Even,    Odd,    Space,    Mark)\n---                1    2    3                        set    stop    bits    (1,    2,    1.5)\n---                b                                        change    baud    rate\n---                x    X                                disable/enable    software    flow    control\n---                r    R                                disable/enable    hardware    flow    control\n'.format(version=getattr(serial, 'VERSION', 'unknown    version'), exit=key_description(self.exit_character), menu=key_description(self.menu_character), rts=key_description('\x12'), dtr=key_description('\x04'), brk=key_description('\x02'), echo=key_description('\x05'), info=key_description(' DCTB '), upload=key_description('\x15'), repr=key_description('\x01'), filter=key_description('\x06'), eol=key_description('\x0c'))
