Non-ASCII Text", RFC 2047, November 1996.
Freed, N., Klensin, J., and J. Postel, "Multipurpose
Internet Mail Extensions (MIME) Part Four:
Registration Procedures", BCP 13, RFC 2048, November
1996.
Freed, N. and N. Borenstein, "Multipurpose Internet
Mail Extensions (MIME) Part Five: Conformance Criteria
and Examples", RFC 2049, November 1996.
[RFC3066] Alvestrand, H., "Tags for the Identification of
Languages", BCP 47, RFC 3066, March 1995.
[RFC3339] Klyne, G. and C. Newman, "Date and Time on the
Internet: Timestamps", RFC 3339, July 2002.
[XML-NS] Bray, T., Hollander, D., and A. Layman "Namespaces in
XML", W3C recommendation: xml-names, 14 January 1999,
<http://www.w3.org/TR/REC-xml-names>
[URI] Berners-Lee, T., Fielding, R., and L. Masinter,
"Uniform Resource Identifiers (URI): Generic Syntax",
RFC 2396, August 1998.
[URN] Moats, R., "URN Syntax", RFC 2141, May 1997.
[URN-NS-IETF] Moats, R., "A URN Namespace for IETF Documents", RFC
2648, August 1999.
[XML-Registry] Mealling, M., "The IETF XML Registry", RFC 3688,
January 2004.
[RFC2277] Alvestrand, H., "IETF Policy on Character Sets and
Languages", BCP 18, RFC 2277, January 1998.
[XMLSchema1] Thompson, H., Beech, D., Maloney, M., and N.
Mendelsohn, "XML Schema Part 1: Structures", W3C REC-
xmlschema-1, May 2001,
<http://www.w3.org/TR/xmlschema-1/>.
8.2. Informative References
[RFC2778] Day, M., Rosenberg, J., and H. Sugano, "A Model for
Presence and Instant Messaging", RFC 2778, February
2000.
[RFC2779] Day, M., Aggarwal, S., Mohr, G., and J. Vincent,
"Instant Messaging / Presence Protocol Requirements",
RFC 2779, February 2000.
[CPIM] Peterson, J., "Common Profile for Instant Messaging
(CPIM)", RFC 3860, August 2004.
[CPP] Peterson, J., "Common Presence for Presence (CPP)",
RFC 3859, August 2004.
[vCard] Dawson, F. and T. Howes, "vCard MIME Directory
Profile", RFC 2426, September 1998.
[RFC3851] Ramsdell, B., Ed., "Secure/Multipurpose Internet Mail
Extensions (S/MIME) Version 3.1 Message
Specification", RFC 3851, July 2004.
[RFC3282] Alvestrand, H., "Content Language Headers", RFC 3282,
May 2002.
Appendix A. Document Type Definitions
The Document Type Definition for the "application/pidf+xml" format is
described. The DTD here is presented only for informational for
those who may not familiar with the XML Schema definition.
Note: the DTD does not show where extension elements can be added.
See the XML Schema for that information.
<!ENTITY % URL "CDATA">
<!ENTITY % URI "CDATA">
<!ENTITY % TUPLEID "CDATA">
<!ENTITY % DATETIME "CDATA">
<!ENTITY % VALUETYPE "CDATA">
<!ENTITY % PRIORITY "CDATA">
<!ENTITY % NOTE "CDATA">
<!ELEMENT presence ((tuple*),note?)>
<!ATTLIST presence
xmlns %URI; #REQUIRED
entity %URL; #REQUIRED
>
<!ELEMENT tuple (status,contact?,note?,timestamp?)>
<!ATTLIST tuple
id %TUPLEID; #REQUIRED
>
<!ELEMENT status (basic?)>
<!ELEMENT basic CDATA>
<!ELEMENT contact %URL;>
<!ATTLIST contact
priority %PRIORITY; #IMPLIED
>
<!ELEMENT note %NOTE;>
<!ELEMENT timestamp %DATETIME;>
Authors’ Addresses
Hiroyasu Sugano
Fujitsu Laboratories Ltd.
64, Nishiwaki
Ohkubo-cho
Akashi 674-8555
Japan
EMail: sugano.h@jp.fujitsu.com
Shingo Fujimoto
Fujitsu Laboratories Ltd.
64, Nishiwaki
Ohkubo-cho
Akashi 674-8555
Japan
EMail: shingo_fujimoto@jp.fujitsu.com
Graham Klyne
Nine by Nine
EMail: GK@ninebynine.org
Adrian Bateman
VisionTech Limited
Colton, Staffordshire, WS15 3LD
United Kingdom
EMail: bateman@acm.org
Wayne Carr
Intel Corporation
2111 NE 25th Avenue
Hillsboro, OR 97124
USA
EMail: wayne.carr@intel.com
Jon Peterson
NeuStar, Inc.
1800 Sutter St
Suite 570
Concord, CA 94520
USA
Phone: +1 925/363-8720
EMail: jon.peterson@neustar.biz
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