Creates a rst.sty Latex string representation of a multi-nuclear RST relation.

def make_multinuc(relname, nucleii):
    """Creates a rst.sty Latex string representation of a multi-nuclear RST relation."""
    nuc_strings = []
    for nucleus in nucleii:
        nuc_strings.append( MULTINUC_ELEMENT_TEMPLATE.substitute(nucleus=nucleus) )
    nucleii_string = "\n\t" + "\n\t".join(nuc_strings)
    return MULTINUC_TEMPLATE.substitute(relation=relname, nucleus_segments=nucleii_string)