accessibility detail (Accessibility)

The dungeon can be read without colour, and the switch is saved to your
    account rather than asked for again every session.

      color              Report whether colour is currently on or off.
      color on           Send colour codes as usual.
      color off          Send plain text everywhere — prose, banners, the
                         status line and the charge bars alike.

    Either setting is written to your account the moment you type it: it
    applies to every window you have open, and to every session you open
    afterwards, until you change it back.

    Checking what your client can render:

      color ansi         The 16-colour swatch most clients support.
      color xterm256     The 256-colour xterm swatch.
      color truecolor    The truecolor swatch.

    The swatches still work while colour is off — they print their own markup
    plainly — so you can test a client before switching back. See
    'help color' for the command itself.

    Before you log in:

      screenreader       Typed at the login screen, this strips the framing
                         and decoration from what the server sends. There is
                         no account to remember it yet, so it lasts only for
                         that connection. Once you are in, 'color off' saves
                         itself, and 'option/save screenreader = on' saves
                         the screen-reader mode the same way.

    The status line:

      prompt off         Hide the status line printed after every action,
                         for a quieter or screen-reader-friendly session;
                         'prompt on' brings it back.

    Everything else about your connection — encoding, screen width, MXP —
    lives on the 'option' command.

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