[1] [CITE[XEP-0054: vcard-temp]]
([TIME[2011-10-24 00:09:47 +09:00]] 版)
<http://xmpp.org/extensions/xep-0054.html>

[2] 
[PRE(XML exmaple code)[
<x xmlns="vcard-temp">
]PRE]

[3] 
[PRE(XML exmaple code)[
<x xmlns="vcard-temp:x:update">
]PRE]