Mixed quotes in attributes                                                                        |
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begin attribute:                                                                                  |
<?xpacket begin="' id='W5M0MpCehiHzreSzNTczkc9d'?> <?xpacket end='r'?>                            |
<?xpacket begin='" id='W5M0MpCehiHzreSzNTczkc9d'?> <?xpacket end='r'?>                            |
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id attribute:                                                                                     |
<?xpacket begin='' id="W5M0MpCehiHzreSzNTczkc9d'?> <?xpacket end='r'?>                            |
<?xpacket begin='' id='W5M0MpCehiHzreSzNTczkc9d"?> <?xpacket end='r'?>                            |
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encoding attribute (encoding value ignored so this is one good packet):                           |
+++hG<?xpacket begin='' id='W5M0MpCehiHzreSzNTczkc9d' encoding="UTF-8'?> <?xpacket end='r'?>      |
<?xpacket begin='' id='W5M0MpCehiHzreSzNTczkc9d' encoding='UTF-8"?> <?xpacket end='r'?>---tG      |
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bytes attribute (this is a bad packet since text between " and " for bytes is invalid):           |
+++hB<?xpacket begin='' id='W5M0MpCehiHzreSzNTczkc9d' bytes="400'?>             <?xpacket end='r'?>
                                                                                                   
                                                                                                   
                                                                                                   
<?xpacket begin='' id='W5M0MpCehiHzreSzNTczkc9d' bytes='400"?>             <?xpacket end='r'?>---tB
                                                                                                   
                                                                                                   
                                                                                                   
end attribute:                                                                                    |
+++hG<?xpacket begin='' id='W5M0MpCehiHzreSzNTczkc9d'?> <?xpacket end="r'?>                       |
<?xpacket begin='' id='W5M0MpCehiHzreSzNTczkc9d'?> <?xpacket end='r"?>                            |
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valid trailer to match valid header:                                                              |
<?xpacket end='r'?>---tG