Right-justify text for a total of `width` graphemes

    The `width` is based on graphemes::

        >>> s = 'Â'
        >>> s.rjust(2)
        'Â'
        >>> rjust(s, 2)
        ' Â'

def rjust(text, width, fillchar=' '):
    """Right-justify text for a total of `width` graphemes

    The `width` is based on graphemes::

        >>> s = 'Â'
        >>> s.rjust(2)
        'Â'
        >>> rjust(s, 2)
        ' Â'
    """
    len_text = grapheme_len(text)
    return fillchar * (width - len_text) + text