10.1. Normative References

   [ASCII]        American National Standards Institute, "Coded
                  Character Set -- 7-bit American Standard Code for
                  Information Interchange", ANSI X3.4, 1986.

   [ISO10646]     International Organization for Standardization,
                  "ISO/IEC 10646:2003: Information Technology -
                  Universal Multiple-Octet Coded Character Set (UCS)",
                  ISO Standard 10646, December 2003.

   [RFC2119]      Bradner, S., "Key words for use in RFCs to Indicate
                  Requirement Levels", BCP 14, RFC 2119, March 1997.

   [RFC2234]      Crocker, D. and P. Overell, "Augmented BNF for Syntax
                  Specifications: ABNF", RFC 2234, November 1997.

   [RFC3490]      Faltstrom, P., Hoffman, P., and A. Costello,
                  "Internationalizing Domain Names in Applications
                  (IDNA)", RFC 3490, March 2003.

   [RFC3491]      Hoffman, P. and M. Blanchet, "Nameprep: A Stringprep
                  Profile for Internationalized Domain Names (IDN)", RFC
                  3491, March 2003.

   [RFC3629]      Yergeau, F., "UTF-8, a transformation format of ISO
                  10646", STD 63, RFC 3629, November 2003.

   [RFC3986]      Berners-Lee, T., Fielding, R., and L. Masinter,
                  "Uniform Resource Identifier (URI): Generic Syntax",
                  STD 66, RFC 3986, January 2005.

   [UNI9]         Davis, M., "The Bidirectional Algorithm", Unicode
                  Standard Annex #9, March 2004,
                  http://www.unicode.org/reports/tr9/tr9-13.html.

   [UNIV4]        The Unicode Consortium, "The Unicode Standard, Version
                  4.0.1, defined by: The Unicode Standard, Version 4.0
                  (Reading, MA, Addison-Wesley, 2003. ISBN
                  0-321-18578-1), as amended by Unicode 4.0.1
                  (http://www.unicode.org/versions/Unicode4.0.1/)",
                  March 2004.

   [UTR15]        Davis, M. and M. Duerst, "Unicode Normalization
                  Forms", Unicode Standard Annex #15, April 2003,
                  http://www.unicode.org/unicode/reports/
                  tr15/tr15-23.html>.

10.2. Informative References

   [BidiEx]       "Examples of bidirectional IRIs",
                  http://www.w3.org/International/iri-edit/
                  BidiExamples>.

   [CharMod]      Duerst, M., Yergeau, F., Ishida, R., Wolf, M., and T.
                  Texin, "Character Model for the World Wide Web:
                  Resource Identifiers", World Wide Web Consortium
                  Candidate Recommendation, November 2004,
                  http://www.w3.org/TR/charmod-resid.

   [Duerst97]     Duerst, M., "The Properties and Promises of UTF-8",
                  Proc.  11th International Unicode Conference, San Jose
                  , September 1997,
                  http://www.ifi.unizh.ch/mml/mduerst/papers/
                  PDF/IUC11-UTF-8.pdf>.

   [Gettys]       Gettys, J., "URI Model Consequences",
                  http://www.w3.org/DesignIssues/ModelConsequences.

   [HTML4]        Raggett, D., Le Hors, A., and I. Jacobs, "HTML 4.01
                  Specification", World Wide Web Consortium
                  Recommendation, December 1999,
                  http://www.w3.org/TR/html401/appendix/
                  notes.html#h-B.2>.

   [RFC2045]      Freed, N. and N. Borenstein, "Multipurpose Internet
                  Mail Extensions (MIME) Part One: Format of Internet
                  Message Bodies", RFC 2045, November 1996.

   [RFC2130]      Weider, C., Preston, C., Simonsen, K., Alvestrand, H.,
                  Atkinson, R., Crispin, M., and P. Svanberg, "The
                  Report of the IAB Character Set Workshop held 29
                  February - 1 March, 1996", RFC 2130, April 1997.

   [RFC2141]      Moats, R., "URN Syntax", RFC 2141, May 1997.

   [RFC2192]      Newman, C., "IMAP URL Scheme", RFC 2192, September
                  1997.

   [RFC2277]      Alvestrand, H., "IETF Policy on Character Sets and
                  Languages", BCP 18, RFC 2277, January 1998.

   [RFC2368]      Hoffman, P., Masinter, L., and J. Zawinski, "The
                  mailto URL scheme", RFC 2368, July 1998.

   [RFC2384]      Gellens, R., "POP URL Scheme", RFC 2384, August 1998.

   [RFC2396]      Berners-Lee, T., Fielding, R., and L. Masinter,
                  "Uniform Resource Identifiers (URI): Generic Syntax",
                  RFC 2396, August 1998.

   [RFC2397]      Masinter, L., "The "data" URL scheme", RFC 2397,
                  August 1998.

   [RFC2616]      Fielding,  R., Gettys, J., Mogul, J., Frystyk, H.,
                  Masinter, L., Leach, P., and T. Berners-Lee,
                  "Hypertext Transfer Protocol -- HTTP/1.1", RFC 2616,
                  June 1999.

   [RFC2640]      Curtin, B., "Internationalization of the File Transfer
                  Protocol", RFC 2640, July 1999.

   [RFC2718]      Masinter, L., Alvestrand, H., Zigmond, D., and R.
                  Petke, "Guidelines for new URL Schemes", RFC 2718,
                  November 1999.

   [UNIXML]       Duerst, M. and A. Freytag, "Unicode in XML and other
                  Markup Languages", Unicode Technical Report #20, World
                  Wide Web Consortium Note, June 2003,
                  http://www.w3.org/TR/unicode-xml/.

   [XLink]        DeRose, S., Maler, E., and D. Orchard, "XML Linking
                  Language (XLink) Version 1.0", World Wide Web
                  Consortium Recommendation, June 2001,
                  http://www.w3.org/TR/xlink/#link-locators.

   [XML1]         Bray, T., Paoli, J., Sperberg-McQueen, C., Maler, E.,
                  and F. Yergeau, "Extensible Markup Language (XML) 1.0
                  (Third Edition)", World Wide Web Consortium
                  Recommendation, February 2004,
                  http://www.w3.org/TR/REC-xml#sec-external-ent.

   [XMLNamespace] Bray, T., Hollander, D., and A. Layman, "Namespaces in
                  XML", World Wide Web Consortium Recommendation,
                  January 1999, http://www.w3.org/TR/REC-xml-names.

   [XMLSchema]    Biron, P. and A. Malhotra, "XML Schema Part 2:
                  Datatypes", World Wide Web Consortium Recommendation,
                  May 2001, http://www.w3.org/TR/xmlschema-2/#anyURI.

   [XPointer]     Grosso, P., Maler, E., Marsh, J. and N. Walsh,
                  "XPointer Framework", World Wide Web Consortium
                  Recommendation, March 2003,
                  http://www.w3.org/TR/xptr-framework/#escaping.