def characterSet(self, charset: str) -> None:
        """Set character set of this document."""
        charset_node = self._find_charset_node() or Meta(parent=self.head)
        charset_node.setAttribute('charset', charset)
def characterSet ( self , charset : str ) -> None : charset_node = self . _find_charset_node ( ) or Meta ( parent = self . head ) charset_node . setAttribute ( 'charset' , charset )
Set character set of this document.