--TEST-- Bug #20273 Mail_mimePart::encodeHeader() and TAB character --SKIPIF-- --FILE-- <?php include("Mail/mimePart.php"); $refs = "<[email protected]>\t<[email protected]>"; $mime = new Mail_mimePart(); echo $mime->encodeHeader('References', $refs); ?> --EXPECT-- <[email protected]> <[email protected]>