rem: display_speed (struct termios *mode, int fancy)
add: display_speed (struct termios *mode, bool fancy)
context: display_speed (struct termios *mode, int fancy){  if (cfgetispeed (mode) == 0 || cfgetispeed (mode) == cfgetospeed (mode))    wrapf (fancy ? "speed %lu baud;" : "%lu\n",	   baud_to_value (cfgetospeed (mode)));  else    wrapf (fancy ? "ispeed %lu baud; ospeed %lu baud;" : "%lu %lu\n",	   baud_to_value (cfgetispeed (mode)),	   baud_to_value (cfgetospeed (mode)));  if (!fancy)    current_col = 0;}