my $arial = prTTFont('/path/to/Arial.ttf');
  prFontSize(20);
  prText(20, 700, 'Some text in Arial');
  #
  # ... later ...
  #
  prPage();
  prTTFont($arial);
  prFontSize(12);
  prText(20, 700, 'Some more text in Arial');
  #
  #  to pass a UTF8 string to prText
  # 
  prText(20, 675, "T\x{113}n\x{101} koutou");  # T?n? Koutou