draft-ietf-appsawg-about-uri-scheme-01.txt		draft-ietf-appsawg-about-uri-scheme-02.txt
	Applications Area WG (APPSAWG) L. Hunt, Ed.		Applications Area WG (APPSAWG) L. Hunt, Ed.
	Internet-Draft Opera Software, ASA.		Internet-Draft Opera Software, ASA.
	Intended Status: Standards Track M. Yevstifeyev, Ed.		Intended Status: Standards Track M. Yevstifeyev, Ed.
	Expires: June 11, 2012 December 9, 2011		Expires: September 4, 2012 March 3, 2012
	The "about" URI Scheme		The "about" URI Scheme
	draft-ietf-appsawg-about-uri-scheme-01		draft-ietf-appsawg-about-uri-scheme-02
	Abstract		Abstract
	This document specifies the "about" URI scheme, that is widely used		This document specifies the "about" URI scheme, that is widely used
	by Web browsers and some other applications to designate access to		by Web browsers and some other applications to designate access to
	their internal resources, such as settings, application information,		their internal resources, such as settings, application information,
	hidden built-in functionality, and so on.		hidden built-in functionality, and so on.
	Status of this Memo		Status of this Memo
	skipping to change at page 1, line 41		skipping to change at page 1, line 41
	material or to cite them other than as "work in progress."		material or to cite them other than as "work in progress."
	The list of current Internet-Drafts can be accessed at		The list of current Internet-Drafts can be accessed at
	http://www.ietf.org/1id-abstracts.html		http://www.ietf.org/1id-abstracts.html
	The list of Internet-Draft Shadow Directories can be accessed at		The list of Internet-Draft Shadow Directories can be accessed at
	http://www.ietf.org/shadow.html		http://www.ietf.org/shadow.html
	Copyright and License Notice		Copyright and License Notice
	Copyright (c) 2011 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
	carefully, as they describe your rights and restrictions with respect		carefully, as they describe your rights and restrictions with respect
	to this document. Code Components extracted from this document must		to this document. Code Components extracted from this document must
	include Simplified BSD License text as described in Section 4.e of		include Simplified BSD License text as described in Section 4.e of
	the Trust Legal Provisions and are provided without warranty as		the Trust Legal Provisions and are provided without warranty as
	described in the Simplified BSD License.		described in the Simplified BSD License.
	Table of Contents		Table of Contents
	1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 2		1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 2
	1.1. Terminology . . . . . . . . . . . . . . . . . . . . . . . . 3		1.1. Terminology . . . . . . . . . . . . . . . . . . . . . . . . 3
	2. URI Scheme Specification . . . . . . . . . . . . . . . . . . . 3		2. URI Scheme Specification . . . . . . . . . . . . . . . . . . . 3
	2.1. URI Scheme Syntax . . . . . . . . . . . . . . . . . . . . . 3		2.1. URI Scheme Syntax . . . . . . . . . . . . . . . . . . . . . 3
	2.2. URI Scheme Semantics . . . . . . . . . . . . . . . . . . . 3		2.2. URI Scheme Semantics . . . . . . . . . . . . . . . . . . . 3
	2.2.1. Special-Purpose "about" URIs . . . . . . . . . . . . . 4		2.2.1. Special-Purpose "about" URIs . . . . . . . . . . . . . 3
	2.3. Encoding Considerations . . . . . . . . . . . . . . . . . . 4		2.3. Encoding Considerations . . . . . . . . . . . . . . . . . . 4
	3. Security Considerations . . . . . . . . . . . . . . . . . . . . 4		3. Security Considerations . . . . . . . . . . . . . . . . . . . . 4
	4. IANA Considerations . . . . . . . . . . . . . . . . . . . . . . 4		4. IANA Considerations . . . . . . . . . . . . . . . . . . . . . . 4
	4.1. URI Scheme Registration . . . . . . . . . . . . . . . . . . 4		4.1. URI Scheme Registration . . . . . . . . . . . . . . . . . . 4
	4.2. A Registry for Registered Tokens . . . . . . . . . . . . . 5		4.2. A Registry for Registered Tokens . . . . . . . . . . . . . 5
	5. References . . . . . . . . . . . . . . . . . . . . . . . . . . 6		5. References . . . . . . . . . . . . . . . . . . . . . . . . . . 6
	5.1. Normative References . . . . . . . . . . . . . . . . . . . 6		5.1. Normative References . . . . . . . . . . . . . . . . . . . 6
	5.2. Informative References . . . . . . . . . . . . . . . . . . 7		5.2. Informative References . . . . . . . . . . . . . . . . . . 7
	Appendix A. Acknowledgments . . . . . . . . . . . . . . . . . . . 7		Appendix A. Acknowledgments . . . . . . . . . . . . . . . . . . . 7
	Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 7		Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 7
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	document are to be interpreted as described in RFC 2119 [RFC2119].		document are to be interpreted as described in RFC 2119 [RFC2119].
	2. URI Scheme Specification		2. URI Scheme Specification
	2.1. URI Scheme Syntax		2.1. URI Scheme Syntax
	The "about" URI MUST syntactically conform to the <about-uri> rule		The "about" URI MUST syntactically conform to the <about-uri> rule
	below, expressed using Augmented Backus-Naur Form (ABNF) [RFC5234]:		below, expressed using Augmented Backus-Naur Form (ABNF) [RFC5234]:
	about-uri = "about:" about-token [ about-query ]		about-uri = "about:" about-token [ about-query ]
	about-token = *( unreserved / pct-encoded )		about-token = *pchar
	; for the WG discussion: the possible variants are:
	; = *pchar or = segment
	; = 1*pchar or = segment-nz
	; = segment-nz-nc
	; this is to be decided by WG.
	about-query = "?" query		about-query = "?" query
	pchar = <as specified in RFC 3986, Appendix A>		pchar = <as specified in RFC 3986, Appendix A>
	query = <as specified in RFC 3986, Appendix A>		query = <as specified in RFC 3986, Appendix A>
	In terms of RFC 3986, <about-token> part corresponds to <hier-part>,		In terms of RFC 3986, <about-token> part corresponds to <hier-part>,
	and <about-query> to the query component of URI.		and <about-query> to the query component of URI.
	2.2. URI Scheme Semantics		2.2. URI Scheme Semantics
	Generally speaking, the resource a particular "about" URI resolves to		Generally speaking, the resource a particular "about" URI resolves to
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	URI scheme semantics: see Section 2.2 of RFC xxxx		URI scheme semantics: see Section 2.2 of RFC xxxx
	URI scheme encoding considerations: see Section 2.3 of RFC xxxx		URI scheme encoding considerations: see Section 2.3 of RFC xxxx
	Applications/protocols that use the scheme: "about" URIs are		Applications/protocols that use the scheme: "about" URIs are
	predominantly used by Web browsers, although they may be used by		predominantly used by Web browsers, although they may be used by
	other applications.		other applications.
	Security considerations: see Section 3 of RFC xxxx		Security considerations: see Section 3 of RFC xxxx
	Contact: IESG <iesg@ietf.org> (on behalf of the IETF)		Contact: IETF Applications Area Directors <app-ads@tools.ietf.org>
	Author/Change controller: Applications Area IETF Working Group		Author/Change controller: IESG <iesg@ietf.org> (on behalf of the
	<apps-discuss@ietf.org>		IETF)
	References: see Section 5 of RFC xxxx		References: see Section 5 of RFC xxxx
	[RFC Editor: Please replace xxxx with assigned RFC number]		[RFC Editor: Please replace xxxx with assigned RFC number]
	4.2. A Registry for Registered Tokens		4.2. A Registry for Registered Tokens
	IANA is asked to set up a new registry entitled "'about' URI Special		IANA is asked to set up a new registry entitled "'about' URI Special
	Purpose Tokens" following the guidelines below.		Purpose Tokens" following the guidelines below.
End of changes. 7 change blocks.
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