 Packets with bytes attribute, without encoding, read-only and all quote combos                   |
                                                                                                  |
          1         2         3         4         5         6         7         8         9       9
 1 345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678
 2 all single quotes:                                                                             |
 3 +++hG <?xpacket begin='' id='W5M0MpCehiHzreSzNTczkc9d' bytes='400'?>         <?xpacket end='r'?>
                                                                                                   
                                                                                                   
                                                                                                   
         ---pG
 8 all double quotes:                                                                             |                                                      |
 9 +++hG <?xpacket begin="" id="W5M0MpCehiHzreSzNTczkc9d" bytes="400"?>         <?xpacket end="r"?>
                                                                                                   
                                                                                                   
                                                                                                   
         ---pG
14 all but one single quote:                                                                      |                                                               |
15 +++hG <?xpacket begin='' id="W5M0MpCehiHzreSzNTczkc9d" bytes='400'?>         <?xpacket end='r'?>
                                                                                                   
                                                                                                   
                                                                                                   
         ---pG
20 all but one double quote:                                                                      |      
21 +++hG <?xpacket begin='' id="W5M0MpCehiHzreSzNTczkc9d" bytes="400"?>         <?xpacket end="r"?>
                                                                                                   
                                                                                                   
                                                                                                   
         ---pG                                                                                    |
26        1         2         3         4         5         6         7         8         9       9
27 345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678
