userdef E3 str - clears the terminal's scrollback buffer.
userdef RGB bool - use direct colors with 1/3 of color-pair bits per color.
userdef RGB num n use direct colors with given number of bits per color.
userdef E3 str - clears the terminal's scrollback buffer.
userdef RGB bool - use direct colors with 1/3 of color-pair bits per color.
userdef RGB num n use direct colors with given number of bits per color.