Indicating Character Encoding and Language for HTTP Header Field Parameters
draft-ietf-httpbis-rfc5987bis-04
The information below is for an old version of the document | |||
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Document | Type | Active Internet-Draft (httpbis WG) | |
Author | Julian Reschke | ||
Last updated | 2017-02-20 | ||
Replaces | draft-reschke-rfc5987bis | ||
Stream | Internent Engineering Task Force (IETF) | ||
Formats | pdf htmlized (tools) htmlized bibtex | ||
Reviews | |||
Stream | WG state | Submitted to IESG for Publication | |
Document shepherd | Mark Nottingham | ||
Shepherd write-up | Show (last changed 2017-02-01) | ||
IESG | IESG state | IESG Evaluation | |
Consensus Boilerplate | Yes | ||
Telechat date |
Needs a YES. Needs 8 more YES or NO OBJECTION positions to pass. |
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Responsible AD | Alexey Melnikov | ||
Send notices to | mnot@mnot.net | ||
IANA | IANA review state | IANA OK - No Actions Needed |
HTTP Working Group J. Reschke Internet-Draft greenbytes Obsoletes: 5987 (if approved) January 9, 2017 Intended status: Standards Track Expires: July 13, 2017 Indicating Character Encoding and Language for HTTP Header Field Parameters draft-ietf-httpbis-rfc5987bis-04 Abstract By default, header field values in Hypertext Transfer Protocol (HTTP) messages cannot easily carry characters outside the US-ASCII coded character set. RFC 2231 defines an encoding mechanism for use in parameters inside Multipurpose Internet Mail Extensions (MIME) header field values. This document specifies an encoding suitable for use in HTTP header fields that is compatible with a simplified profile of the encoding defined in RFC 2231. This document obsoletes RFC 5987. Editorial Note (To be removed by RFC Editor before publication) Discussion of this draft takes place on the HTTPBIS working group mailing list (ietf-http-wg@w3.org), which is archived at <https://lists.w3.org/Archives/Public/ietf-http-wg/>. Working Group information can be found at <http://httpwg.github.io/>; source code and issues list for this draft can be found at <https://github.com/httpwg/http-extensions>. The changes in this draft are summarized in Appendix C. Status of This Memo This Internet-Draft is submitted in full conformance with the provisions of BCP 78 and BCP 79. Internet-Drafts are working documents of the Internet Engineering Task Force (IETF). Note that other groups may also distribute working documents as Internet-Drafts. The list of current Internet- Drafts is at http://datatracker.ietf.org/drafts/current/. 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 Reschke Expires July 13, 2017 [Page 1] Internet-Draft Charset/Language Encoding in HTTP January 2017 material or to cite them other than as "work in progress." This Internet-Draft will expire on July 13, 2017. Copyright Notice Copyright (c) 2017 IETF Trust and the persons identified as the document authors. All rights reserved. This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (http://trustee.ietf.org/license-info) in effect on the date of publication of this document. Please review these documents carefully, as they describe your rights and restrictions with respect to this document. Code Components extracted from this document must include Simplified BSD License text as described in Section 4.e of the Trust Legal Provisions and are provided without warranty as described in the Simplified BSD License. Reschke Expires July 13, 2017 [Page 2] Internet-Draft Charset/Language Encoding in HTTP January 2017 Table of Contents 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 4 2. Notational Conventions . . . . . . . . . . . . . . . . . . . . 4 3. Comparison to RFC 2231 and Definition of the Encoding . . . . 5 3.1. Parameter Continuations . . . . . . . . . . . . . . . . . 5 3.2. Parameter Value Character Encoding and Language Information . . . . . . . . . . . . . . . . . . . . . . . 5 3.2.1. Definition . . . . . . . . . . . . . . . . . . . . . . 6 3.2.2. Historical Notes . . . . . . . . . . . . . . . . . . . 7 3.2.3. Examples . . . . . . . . . . . . . . . . . . . . . . . 8 3.3. Language Specification in Encoded Words . . . . . . . . . 8 4. Guidelines for Usage in HTTP Header Field Definitions . . . . 9 4.1. When to Use the Extension . . . . . . . . . . . . . . . . 9 4.2. Error Handling . . . . . . . . . . . . . . . . . . . . . . 10 5. Security Considerations . . . . . . . . . . . . . . . . . . . 10 6. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 10 7. References . . . . . . . . . . . . . . . . . . . . . . . . . . 11 7.1. Normative References . . . . . . . . . . . . . . . . . . . 11 7.2. Informative References . . . . . . . . . . . . . . . . . . 12 Appendix A. Changes from RFC 5987 . . . . . . . . . . . . . . . . 13 Appendix B. Implementation Report . . . . . . . . . . . . . . . . 14 Appendix C. Change Log (to be removed by RFC Editor before publication) . . . . . . . . . . . . . . . . . . . . 14 C.1. Since RFC5987 . . . . . . . . . . . . . . . . . . . . . . 14 C.2. Since draft-reschke-rfc5987bis-00 . . . . . . . . . . . . 14 C.3. Since draft-reschke-rfc5987bis-01 . . . . . . . . . . . . 15Show full document text