draft-ietf-appsawg-mime-default-charset-02.txt   draft-ietf-appsawg-mime-default-charset-03.txt 
Applications Area Working Group A. Melnikov Applications Area Working Group A. Melnikov
Internet-Draft Isode Limited Internet-Draft Isode Limited
Updates: 2046 (if approved) J. Reschke Updates: 2046 (if approved) J. Reschke
Intended status: Standards Track greenbytes Intended status: Standards Track greenbytes
Expires: October 23, 2012 April 21, 2012 Expires: October 24, 2012 April 22, 2012
Update to MIME regarding Charset Parameter Handling in Update to MIME regarding Charset Parameter Handling in
Textual Media Types Textual Media Types
draft-ietf-appsawg-mime-default-charset-02 draft-ietf-appsawg-mime-default-charset-03
Abstract Abstract
This document changes RFC 2046 rules regarding default charset This document changes RFC 2046 rules regarding default charset
parameter values for text/* media types to better align with common parameter values for text/* media types to better align with common
usage by existing clients and servers. usage by existing clients and servers.
Editorial Note (To be removed by RFC Editor) Editorial Note (To be removed by RFC Editor)
Discussion of this draft should take place on the Apps Area Working Discussion of this draft should take place on the Apps Area Working
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Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at http://datatracker.ietf.org/drafts/current/. Drafts is at http://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on October 23, 2012. This Internet-Draft will expire on October 24, 2012.
Copyright Notice Copyright Notice
Copyright (c) 2012 IETF Trust and the persons identified as the Copyright (c) 2012 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of (http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
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sender. sender.
Conflicting information in-band vs out-of-band can also lead to Conflicting information in-band vs out-of-band can also lead to
similar security problems, and this document recommends the use of similar security problems, and this document recommends the use of
charset information which is more likely to be correct (for example, charset information which is more likely to be correct (for example,
in-band over out-of-band). in-band over out-of-band).
6. IANA Considerations 6. IANA Considerations
This document asks IANA to update the "text" subregistry of the Media This document asks IANA to update the "text" subregistry of the Media
Types registry to additionally point to this document. Types registry (<http://www.iana.org/assignments/media-types/text/>),
to add the following preamble: "See [this RFC] for information about
'charset' parameter handling for text media types."
IANA is also asked to add this RFC to the list of references at the
beginning of the Application for Media Type
(<http://www.iana.org/cgi-bin/mediatypes.pl>).
7. References 7. References
7.1. Normative References 7.1. Normative References
[RFC2046] Freed, N. and N. Borenstein, "Multipurpose Internet Mail [RFC2046] Freed, N. and N. Borenstein, "Multipurpose Internet Mail
Extensions (MIME) Part Two: Media Types", RFC 2046, Extensions (MIME) Part Two: Media Types", RFC 2046,
November 1996. November 1996.
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
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