# my $header = "\x{5D1}\x{5E1}\x{5F4}\x{5D3}";
# my $header = odfEncodeText( "\x{5D1}\x{5E1}\x{5F4}\x{5D3}" ); ## fail
my $header = odfDecodeText( "\x{5D1}\x{5E1}\x{5F4}\x{5D3}" ); ## bingo