TTYC_RI
[TTYC_RI] = { TTYCODE_STRING, "ri" },
(!tty_term_has(tty->term, TTYC_RI) &&
if (tty_term_has(tty->term, TTYC_RI))
tty_putcode(tty, TTYC_RI);
(!tty_term_has(tty->term, TTYC_RI) &&
tty_putcode(tty, TTYC_RI);