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Versions: 00 01 02 03 04 draft-mccobb-xv-media-type

Network Working Group                                          G. McCobb
Internet-Draft                                           IBM Corporation
Expires: October 2, 2004                                   April 2, 2004


                XHTML+Voice - application/xhtml+voice+xml
                    draft-mccobb-xplusv-media-type-00


Status of this Memo

   This document is an Internet-Draft and is subject to all provisions
   of Section 10 of RFC2026.

   Internet-Drafts are working documents of the Internet Engineering
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   The list of Internet-Draft Shadow Directories can be accessed at
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   This Internet-Draft will expire on October 2, 2004.

Copyright Notice

   Copyright (C) The Internet Society (2002).  All Rights Reserved.

Abstract

   This document describes the registration of the MIME sub-type
   application/xhtml+voice+xml.  This sub-type is intended for use as a
   media descriptor for XHTML+Voice multimodal language documents.  The
   XHTML+Voice 1.2 language specification is maintained by the VoiceXML
   Forum at <http://www.voicexml.org/specs/multimodal/x+v/12/>.

1.  Conventions used in this document

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
   document are to be interpreted as described in BCP 14, RFC 2119
   [REQ].






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2. Introduction

   XHTML+VOice is a member of the XHTML family of document types, as
   specified by XHTML Modularization.  XHTML+Voice extends XHTML 1.1
   [XHTML11] with a modularized subset of VoiceXML 2.0 [VXML20], XML
   Events [XMLEVNTS], and a few extensions to both XHTML and VoiceXML
   2.0.  XHTML 1.1, VoiceXML 2.0 and XML Events are W3C Recommendations.

   The language integration defined by XHTML+Voice supports all modules
   defined by XHTML Modularization, and adds voice interaction to XHTML
   elements to enable multimodal applications.  The defined document
   type for XHTML+VOice is XHTML Host language document type conformant.

   XHTML+Voice 1.2 [XPLUSV12] is maintained by the VoiceXML Forum, at
   URI location <http://www.voicexml.org/specs/multimodal/x+v/12/>.

2.1 application/xhtml+voice+xml Usage

   The application/xhtml+voice+xml media type is intended to be a media
   descriptor for XHTML+Voice documents.

   This media type registration is not intended for email usage.

3. IANA Registration

      To: ietf-types@iana.org
      Subject: Registration of Standard MIME media type
               application/xhtml+voice+xml

      MIME media type name: application

      MIME subtype name: xhtml+voice+xml

      Required parameters: none

      Optional parameters:
   version:  refers to the XHTML+Voice language version in the document.

   charset:  has the same meaning as the text/html media type.  See
   section 2 of [RFC 2854].

      Encoding considerations: 7bit.  See section 4 of [RFC 2854].

      Security considerations:

   XHTML+Voice is an extension of XHTML and has the same security issues
   as XHTML.  These include interpreting anchors and forms in HTML
   documents, and scripting languages and other dynamic interactive
   capabilities.  See section 7 of [RFC 2854].


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      Interoperability considerations :

   Because XHTML+Voice is built upon W3C standard recommendations, it is
   designed to be interoperable across a wide range of platforms and
   client devices.  Because the extensions to XHTML are identified by
   their namespaces, all browsers that have namespace support can run an
   XHTML+Voice document as an XHTML document without voice interaction.

     Published specification:

         The latest published version of XHTML+Voice is [XPLUSV12].

      Applications which use this media type:

         XHTML+Voice documents are intended to be deployed on the World
         Wide Web and rendered by multimodal browsers that support the
         visual and voice modes of interaction.  See section 2 of
         [RFC 2854].

      Additional information:

         Magic number(s):  There is no single string that is always
             present.
         File extension(s): html, htm, mxml, xvml
         Macintosh File Type Code(s): TEXT

      Person & email address to contact for further information:

         Gerald M. McCobb
         mccobb@us.ibm.com

      Intended usage: COMMON

      Author/Change controller: Gerald McCobb

      Further information:

4. Fragment Identifiers

   See section 3 of [RFC 2854].

5. Recognizing XHTML+Voice files

   Because XHTML+Voice is XML, an XHTML+Voice document [optionally]
   starts with an XML declaration which begins with "<?xml" and has a
   DOCTYPE declaration "<!DOCTYPE html".  XHTML+Voice 1.2 has the
   following DOCTYPE declaration:




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   <!DOCTYPE html PUBLIC "-//VoiceXML Forum//DTD XHTML+Voice 1.2//EN"
"http://www.voicexml.org/specs/multimodal/x+v/12/dtd/xhtml+voice12.dtd">

   Because XHTML+Voice is in the XHTML family of languages, the root
   element of an XHTML+Voice document is 'html' and '<html' can be found
   near the top of the document.

6. Security Considerations

   Security considerations for this media type are discussed in the MIME
   type registration that appears in section 4.

7. References

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

   [DOM2EV]   "Document Object Model Level 2 Events Specification,"
              Tom Pixley, 2000.  W3C Recommendation,
              http://www.w3.org/TR/DOM-Level-2-Events/.

   [HTML401]  Raggett, D., et al., "HTML 4.01 Specification", W3C
              Recommendation, December 1999.
              Available at <http://www.w3.org/TR/html401>.

   [MIME4]    Freed, N. and N. Borenstein, "Multipurpose Internet Mail
              Extensions (MIME) Part Four: Registration Procedures", BCP
              13, RFC 2048, November 1996.

   [RFC 2854] RFC 2854: The 'text/html' Media Type, Connolly and
              Masinter, June 2000, http://www.ietf.org/rfc/rfc2854.txt.

   [XHTMLMOD] "Modularization of XHTML," 10 April, 2001, Murray Altheim,
              Frank Boumphrey, Sam Dooley, et al, W3C Recommendation,
              http://www.w3.org/TR/xhtml-modularization/

   [XHTML1]   "XHTML 1.0: The Extensible HyperText Markup Language: A
              Reformulation of HTML 4 in XML 1.0", W3C Recommendation,
              January 2000. Available at <http://www.w3.org/TR/xhtml1>.

   [XHTML11]  "XHTML 1.1 - Module-based XHTML," 31 May 2001, Murray
              Altheim, Shane McCarron, W3C Recommendation,
              http://www.w3.org/TR/xhtml11/.

   [XMLEVNTS] "XML Events - An events syntax for XML", Steven
              Pemberton, T. V. Raman, and Shane McCarron, 2002.  W3C
              Recommendation, http://www.w3.org/TR/xml-events/.




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   [XPLUSV12] "XHTML+Voice Profile 1.2," 16 March 2004, J. Axelsson,
              et al, http://www.voicexml.org/specs/multimodal/x+v/12/

   [VXML20]   "Voice Extensible Markup Language (VoiceXML)," 16 March
              2004, Scott McGlashan et al, W3C Recommendation,
              http://www.w3.org/TR/voicexml20/.

8. Authors' Address

   Gerald M. McCobb
   IBM Corporation
   8051 Congress Avenue, Office 2019
   Boca Raton, Florida 33487
   USA

   Phone: +1-561-862-2109
   Fax:   +1-561-862-3922
   EMail: mccobb@us.ibm.com


9. Full Copyright Statement

   Copyright (C) The Internet Society (2002).  All Rights Reserved.

   This document and translations of it may be copied and furnished to
   others, and derivative works that comment on or otherwise explain it
   or assist in its implementation may be prepared, copied, published
   and distributed, in whole or in part, without restriction of any
   kind, provided that the above copyright notice and this paragraph are
   included on all such copies and derivative works.  However, this
   document itself may not be modified in any way, such as by removing
   the copyright notice or references to the Internet Society or other
   Internet organizations, except as needed for the purpose of
   developing Internet standards in which case the procedures for
   copyrights defined in the Internet Standards process must be
   followed, or as required to translate it into languages other than
   English.

   The limited permissions granted above are perpetual and will not be
   revoked by the Internet Society or its successors or assigns.

   This document and the information contained herein is provided on an
   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

Acknowledgement

   Funding for the RFC Editor function is currently provided by the
   Internet Society.


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