Request for comments regarding draft-mccobb-xv-media-type-00
Gerald McCobb <mccobb@us.ibm.com> Fri, 12 August 2005 22:33 UTC
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Subject: Request for comments regarding draft-mccobb-xv-media-type-00
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This is a request for comments regarding the internet draft draft-mccobb-xv-media-type-00 for media type "application/xv+xml". This media type is for XHTML+Voice documents. The XHTML+Voice specification is located at http://www.voicexml.org/specs/multimodal/x+v/12/ . Network Working Group G. McCobb Internet-Draft IBM Corporation Expires: January 27, 2006 July 26, 2005 XHTML+Voice - application/xv+xml draft-mccobb-xv-media-type-00 Status of this Memo By submitting this Internet-Draft, each author represents that any applicable patent or other IPR claims of which he or she is aware have been or will be disclosed, and any of which he or she becomes aware will be disclosed, in accordance with Section 6 of BCP 79. Internet-Drafts are working documents of the Internet Engineering Task Force (IETF), its areas, and its working groups. Note that other groups may also distribute working documents as Internet- Drafts. Internet-Drafts are draft documents valid for a maximum of six months and may be updated, replaced, or obsoleted by other documents at any time. It is inappropriate to use Internet-Drafts as reference material or to cite them other than as "work in progress." The list of current Internet-Drafts can be accessed at http://www.ietf.org/ietf/1id-abstracts.txt. The list of Internet-Draft Shadow Directories can be accessed at http://www.ietf.org/shadow.html. This Internet-Draft will expire on January 27, 2006. Copyright Notice Copyright (C) The Internet Society (2005). Abstract This document describes the registration of the MIME sub-type application/xv+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/>. McCobb Expires January 27, 2006 [Page 1] Internet-Draft XHTML+Voice - application/xv+xml July 2005 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 [1]. 2. Introduction XHTML+Voice is a member of the XHTML family of document types, as specified by XHTML Modularization [6]. XHTML+Voice extends XHTML 1.1 [7] with a modularized subset of VoiceXML 2.0 [11], XML Events [9], 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 [10] is maintained by the VoiceXML Forum, at URI location <http://www.voicexml.org/specs/multimodal/x+v/12/>. 2.1 application/xv+xml Usage The application/xv+xml media type is intended to be a media descriptor for XHTML+Voice multimodal documents. It is used to inform applications that additional markup for running a voice browser component and activating handlers for DOM Level 2 events via XML Events [9] can be processed. This media type registration is not intended for e-mail usage. 3. IANA Registration To: ietf-types@iana.org Subject: Registration of MIME media type application/xv+xml MIME media type name: application MIME subtype name: xv+xml Required parameters: none Optional parameters: charset: has the same semantics as the charset parameter of the "application/xml" media type specified in [3]. McCobb Expires January 27, 2006 [Page 2] Internet-Draft XHTML+Voice - application/xv+xml July 2005 Encoding considerations: XHTML+Voice has the same media type encoding considerations specified in section 3.2 of [3]. Security considerations: XHTML+Voice is an extension of XHTML and has the same security issues as XHTML. These include interpreting anchors and forms in XHTML documents, and scripting languages and other dynamic interactive capabilities. See section 7 of [4]. In addition, the scripting language can be accessed by both the XHTML and the VoiceXML 2.0 markup embedded in the XHTML+Voice document. See section 1.3.1.5 of [10]. XML-Events [9] allows an author to attach a handler to any node in the document. The handler that is activated in response to a specified event may be either a voice dialog or a script that can be either in the same or an external document. 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 [10]. 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. Because XHTML+Voice is an application of XML, authors can expect XHTML+Voice user agents to be conformant XML 1.0 [5] processors. See section 2 of [4]. Additional information: Magic number(s): There is no single string that is always present. File extension(s): mxml, xhvml, xvml, xvm Macintosh File Type Code(s): TEXT McCobb Expires January 27, 2006 [Page 3] Internet-Draft XHTML+Voice - application/xv+xml July 2005 Person & e-mail address to contact for further information: Gerald McCobb mccobb@us.ibm.com Intended usage: LIMITED USE Author/Change controller: Gerald McCobb Further information: 4. Fragment Identifiers See section 3 of [4]. Following [4], fragment identifiers for XHTML+ Voice documents designate the element with the corresponding ID attribute value (see [5] section 3.3.1). While XHTML+Voice adds new ID attributes with fragment identifier namespaces that are not in the same namespace as XHTML, uniqueness of the ID attribute values is preserved within the document. See sections 1.3.1 and 5.3 of [10]. 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: <!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 3. McCobb Expires January 27, 2006 [Page 4] Internet-Draft XHTML+Voice - application/xv+xml July 2005 7. IANA Considerations As described in Section 3, this document specifies the registration of a MIME type for XHTML+Voice documents according to [3]. 8. Normative References [1] Bradner, S., "Key words for use in RFCs to Indicate Requirement Levels, BCP 14", RFC 2119, March 1997. [2] Berners-Lee, T., Fielding, R., and L. Masinter, "Uniform Resource Identifiers (URI): Generic Syntax", RFC 2396, August 1998. [3] Murata, M., St. Laurent, S., and D. Kohn, "XML Media Types", RFC 3023, January 2001. [4] Baker, M. and P. Stark, "The 'application/xhtml+xml' Media Type", RFC 3236, January 2002. [5] Bray, T. and others, "Extensible Markup Language (XML) 1.0, W3C Recommendation, http://www.w3.org/TR/REC-xml", February 2004. [6] Dooley, S. and others, "Modularization of XHTML, W3C Recommendation, http://www.w3.org/TR/xhtml-modularization", April 2001. [7] Altheim, M. and S. McCarron, "XHTML 1.1 - Module-based XHTML, W3C Recommendation, http://www.w3.org/TR/xhtml11/", May 2001. [8] Pixley, T., "Document Object Model Level 2 Events Specification, W3C Recommendation, http://www.w3.org/TR/DOM-Level-2-Events/", November 2000. [9] Pemberton, S., Raman, T., and S. McCarron, "XML Events - An events syntax for XML, W3C Recommendation, http://www.w3.org/TR/xml-events/", January 2002. [10] Axelsson, J. and others, "XHTML+Voice Profile 1.2, http://www.voicexml.org/specs/multimodal/x+v/12/", March 2004. [11] McGlashan, S. and others, "Voice Extensible Markup Language (VoiceXML), W3C Recommendation, http://www.w3.org/TR/voicexml20/", March 2004. McCobb Expires January 27, 2006 [Page 5] Internet-Draft XHTML+Voice - application/xv+xml July 2005 Author's Address Gerald McCobb International Business Machines Corporation 8051 Congress Ave. Boca Raton, FL 33487 USA Phone: +1 561 862 2109 Email: mccobb@us.ibm.com Intellectual Property Statement The IETF takes no position regarding the validity or scope of any Intellectual Property Rights or other rights that might be claimed to pertain to the implementation or use of the technology described in this document or the extent to which any license under such rights might or might not be available; nor does it represent that it has made any independent effort to identify any such rights. Information on the procedures with respect to rights in RFC documents can be found in BCP 78 and BCP 79. Copies of IPR disclosures made to the IETF Secretariat and any assurances of licenses to be made available, or the result of an attempt made to obtain a general license or permission for the use of such proprietary rights by implementers or users of this specification can be obtained from the IETF on-line IPR repository at http://www.ietf.org/ipr. The IETF invites any interested party to bring to its attention any copyrights, patents or patent applications, or other proprietary rights that may cover technology that may be required to implement this standard. Please address the information to the IETF at ietf-ipr@ietf.org. Disclaimer of Validity This document and the information contained herein are provided on an "AS IS" basis and THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS OR IS SPONSORED BY (IF ANY), THE INTERNET SOCIETY AND THE INTERNET ENGINEERING TASK FORCE DISCLAIM 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. McCobb Expires January 27, 2006 [Page 6] Internet-Draft XHTML+Voice - application/xv+xml July 2005 Copyright Statement Copyright (C) The Internet Society (2005). This document is subject to the rights, licenses and restrictions contained in BCP 78, and except as set forth therein, the authors retain all their rights. Acknowledgment Funding for the RFC Editor function is currently provided by the Internet Society. McCobb Expires January 27, 2006 [Page 7] Regards, Gerald McCobb IBM 8051 Congress Avenue Boca Raton, FL 33487 Tel. # 561-862-2109 T/L 975-2109
- Request for comments regarding draft-mccobb-xv-me… Gerald McCobb