Extended Link Relationships
draft-montoya-xrel-01

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Last updated 2019-10-19
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Network Working Group                                         J. Montoya
Internet-Draft                                          October 20, 2019
Intended status: Informational
Expires: April 22, 2020

                      Extended Link Relationships
                         draft-montoya-xrel-01

Abstract

   This document defines XREL, a data format for describing extended
   hypermedia relationships identified by Uniform Resource Locators.

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
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   This Internet-Draft will expire on April 22, 2020.

Copyright Notice

   Copyright (c) 2019 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
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   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Definitions and Terminology . . . . . . . . . . . . . . .   2
       1.1.1.  Terminology and Conformance Language  . . . . . . . .   3
       1.1.2.  General . . . . . . . . . . . . . . . . . . . . . . .   3
     1.2.  Motivation  . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Specification . . . . . . . . . . . . . . . . . . . . . . . .   4
     2.1.  Format  . . . . . . . . . . . . . . . . . . . . . . . . .   4
     2.2.  Rich Text Formatting  . . . . . . . . . . . . . . . . . .   4
     2.3.  Schema  . . . . . . . . . . . . . . . . . . . . . . . . .   5
       2.3.1.  Relationship Object . . . . . . . . . . . . . . . . .   5
     2.4.  Document Types  . . . . . . . . . . . . . . . . . . . . .   5
       2.4.1.  XREL Document . . . . . . . . . . . . . . . . . . . .   5
       2.4.2.  XREL Collection Document  . . . . . . . . . . . . . .   5
     2.5.  Identifying XREL Documents  . . . . . . . . . . . . . . .   6
     2.6.  Fragment identifiers  . . . . . . . . . . . . . . . . . .   6
     2.7.  Identifying XREL Relationships  . . . . . . . . . . . . .   6
   3.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   7
     3.1.  application/xrel  . . . . . . . . . . . . . . . . . . . .   7
     3.2.  application/xrel+json . . . . . . . . . . . . . . . . . .   8
   4.  Appendix A. Acknowledgments . . . . . . . . . . . . . . . . .  10
   5.  Appendix B. Frequently Asked Questions  . . . . . . . . . . .  10
     5.1.  How can I submit comments or feedback to the editors? . .  10
     5.2.  Why not include target attributes as defined by RFC8288
           'Web Linking'?  . . . . . . . . . . . . . . . . . . . . .  10
   6.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  10
     6.1.  Normative References  . . . . . . . . . . . . . . . . . .  10
     6.2.  Informative References  . . . . . . . . . . . . . . . . .  11
     6.3.  URIs  . . . . . . . . . . . . . . . . . . . . . . . . . .  12
   Author's Address  . . . . . . . . . . . . . . . . . . . . . . . .  12

1.  Introduction

   This document defines XREL, a data format for describing extended
   hypermedia relationships identified by Uniform Resource Locators.

   This document registers a media-type identifier with the IANA:
   "application/xrel".  This registration is for community review and
   will be submitted to the IESG for review, approval, and registration
   with IANA.

1.1.  Definitions and Terminology

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1.1.1.  Terminology and Conformance Language

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and
   "OPTIONAL" in this document are to be interpreted as described in
   BCP 14 [RFC2119] [RFC8174] when, and only when, they appear in all
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