def visit_colspec(self, node: Element) -> None:
    self.colwidths.append(node['colwidth'])
    if (len(self.colwidths) != self.n_cols):
        return
    self.body.append('\n\n@multitable ')
    for n in self.colwidths:
        self.body.append(('{%s} ' % ('x' * (n + 2))))
def visit_colspec(self, node: Element) -> None:
    self.colwidths.append(node['colwidth'])
    if (len(self.colwidths) != self.n_cols):
        return
    self.body.append('\n\n@multitable ')
    for n in self.colwidths:
        self.body.append(('{%s} ' % ('x' * (n + 2))))