One document matched: draft-faltstrom-5892bis-04.xml

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<rfc category="std" docName="draft-faltstrom-5892bis-04.txt" ipr="trust200902">
  <front>
    <title abbrev="IDNA Codepoints">The Unicode code points and IDNA - Unicode 6.0</title>

    <author fullname="Patrik Faltstrom" initials="P." role="editor"
            surname="Faltstrom">
      <organization abbrev="Cisco">Cisco</organization>

      <address>
        <email>paf@cisco.com</email>
      </address>
    </author>

    <author fullname="Paul Hoffman" initials="P." role="editor"
            surname="Hoffman">
      <organization abbrev="VPN Consortium">VPN Consortium</organization>

      <address>
        <email>paul.hoffman@vpnc.org</email>
      </address>
    </author>

    <date day="6" month="March" year="2011" />

    <keyword>IDNA</keyword>

    <keyword>DNS</keyword>

    <keyword>IDN</keyword>

    <keyword>Unicode</keyword>

    <keyword>RFC</keyword>

    <keyword>I-D</keyword>

    <keyword>Internet-Draft</keyword>

    <abstract>
      <t>This document specifies IETF consensus for IDNA derived character properties related to
	       the three code points, existing in Unicode 5.2, that changed property values when version
	       6.0 was released.
	       The consensus is that no update is needed to RFC 5892 based on
	       the changes made in Unicode 6.0.
	    </t>
    </abstract>
  </front>

  <middle>
    <section anchor="intro" title="Introduction">
      <t><xref target="RFC5892">RFC 5892</xref> specifies an algorithm that was defined
        when <xref target="Unicode5.2">The
        Unicode Standard</xref> was the current version of Unicode, and it defines a derived property value.
        Unicode 6.0 has changed GeneralCategory of three code points that where allocated in
        Unicode 5.2 or earlier. This imply the
        derived property value differs depending on whether the property definitions
 				used are from Unicode 5.2 or 6.0.
			</t>
			<t>
				The three code points are:
			</t>
			<section anchor="U+0CF1" title="U+0CF1 KANNADA SIGN JIHVAMULIYA">
				<t>
					The GeneralCategory for this character changes from So to Lo. This
					implies that the derived property value changes from DISALLOWED to
					PVALID.
				</t>
			</section>
			<section anchor="U+0CF2" title="U+0CF2 KANNADA SIGN UPADHMANIYA">
				<t>
					The GeneralCategory for this character changes from So to Lo. This
					implies that the derived property value changes from DISALLOWED to
					PVALID.
				</t>
			</section>
			<section anchor="U+19DA" title="U+19DA NEW TAI LUE THAM DIGIT ONE">
				<t>
					The GeneralCategory for this character changes from Nd to No. This
					implies that the derived property value changes from PVALID to
					DISALLOWED.
				</t>
			</section>
		</section>
		<section anchor="conclusion" title="IETF Consensus">
			<t>
				No change to RFC 5892 is needed based on the changes made in Unicode 6.0.
			</t>
			<t>
				This consensus does not imply that no changes will be made to RFC 5892
				for all future updates of The Unicode Standard.
			</t>
			<t>
				This RFC is being produced because 6.0 is the first version of Unicode to be
				released since IDNA2008 was published.
			</t>
		</section>
			
    <section title="IANA Considerations">
      <t>
	      IANA is to update the derived property value registry according to RFC 5892
				and property values as defined in The Unicode Standard version 6.0.
  		</t>
	</section>

    <section title="Security Considerations">
			<t>
				When the algorithm presented in RFC 5892 is applied using the property
				definitions of Unicode Standard Version 6.0, the result will be different from when
				it is applied using the property definitions of Unicode 5.2 for
				the three code points discussed in this document in addition to the changes for code points
				being unassigned in Unicode 5.2. The three code points are unlikely to occur
				in internationalized domain names, however, so the security implications of the
				changes are minor.
			</t>
    </section>

    <section title="Acknowledgements">
      <t>
	      The main contributors are (in alphabetical order)
        Eric Brunner-Williams, Vint Cerf, Tina Dam,
        Martin Duerst, John Klensin, Mark Davis,
        Pete Resnick, Markus Scherer,
        Andrew Sullivan, Kenneth Whistler and Nicholas Williams.
      </t>
			<t>
				Not all contributors believe the
				solution for the issues discussed in this document is optimal.
			</t>
    </section>
  </middle>

  <back>
    <references title="Normative References">
			&rfc5892;
			
      <reference anchor="Unicode5.2"
                 target="http://www.unicode.org/versions/Unicode5.2.0/">
        <front>
          <title>The Unicode Standard, Version 5.2.0</title>

          <author>
            <organization>The Unicode Consortium</organization>
          </author>

          <date year="2009" />
        </front>

        <seriesInfo name="Unicode 5.0.0, Boston, MA, Addison-Wesley"
                    value="ISBN 0-321-48091-0" />

        <seriesInfo name="as amended by"
                    value="Unicode 5.2.0 http://www.unicode.org/versions/Unicode5.2.0/" />
      </reference>

      <reference anchor="Unicode6">
        <front>
          <title>The Unicode Standard, Version 6.0.0</title>

          <author>
            <organization>The Unicode Consortium</organization>
          </author>

          <date month="October" year="2010" />
        </front>

      </reference>

    </references>

    <references title="Informative References">
    </references>
  </back>
</rfc>