public function testParseHeaderIso88691EncodingFold()
 {
     $reference = array("attachment", array('filename' => array('value' => 'bølle.txt.tar.gz', 'charset' => 'iso-8859-1')));
     $input = "attachment; filename*0*=\"iso-8859-1''b%F8lle%2Etxt\"; filename*1*=\"%2Etar%2Egz\"";
     $result = ezcMailRfc2231Implementation::parseHeader($input);
     $this->assertEquals($reference, $result);
 }