def multiheader(lhs="", rhs="", width=80, nonewline=False):

    if not lhs and not rhs:
        return f"|b{'-' * width}|n"
    else:
        #actual = width - (len(strip_ansi(lhs)) + len(strip_ansi(rhs)) + 10)
        actual = width - (len(strip_ansi(lhs)) + len(strip_ansi(rhs)) + 22)
        if actual < 0:
            actual = 0
        nl = '\n' if not nonewline else ''

        #return f"|b--[|n |C{lhs}|n |b]{'-' * actual}[|n |w{rhs}|n |b]--|n{nl}"
        return f"|b--- |b<< |c{lhs} |b>> |b{'-' * actual} |b<< |c{rhs} |b>> |b---|n{nl}"