55
66 < title > CSS Namespaces Module</ title >
77 < link href ="../default.css " rel =stylesheet type ="text/css ">
8- < link href ="http://www.w3.org/StyleSheets/TR/W3C-ED " rel =stylesheet
8+ < link href ="http://www.w3.org/StyleSheets/TR/W3C-CR " rel =stylesheet
99 type ="text/css ">
1010
1111 < body >
1212 < div class =head > <!--begin-logo-->
1313 < p > < a href ="http://www.w3.org/ "> < img alt =W3C height =48
14- src ="http://www.w3.org/Icons/w3c_home " width =72 > </ a > <!--end-logo--> </ p >
14+ src ="http://www.w3.org/Icons/w3c_home " width =72 > </ a > <!--end-logo-->
1515
16- < h1 id = css-namespaces > CSS Namespaces Module</ h1 >
16+ < h1 > CSS Namespaces Module</ h1 >
1717
18- < h2 class ="no-num no-toc " id =longstatus > Editor's Draft 24 May 2008</ h2 >
18+ < h2 class ="no-num no-toc " id =longstatus-date > W3C Candidate Recommendation
19+ 14 April 2009</ h2 >
1920
2021 < dl >
21- < dt > This version:</ dt >
22- <!-- <dd><a href="http://www.w3.org/TR/2008/CR-css3-namespace-20080524/">http://www.w3.org/TR/2008/CR-css3-namespace-20080524/</a></dd> -->
22+ < dt > This version:
2323
2424 < dd > < a
25- href ="http://dev .w3.org/csswg/ css3-namespace/ "> http://dev .w3.org/csswg/ css3-namespace/</ a >
26-
25+ href ="http://www .w3.org/TR/2009/CR- css3-namespace-20090414 / "> http://www .w3.org/TR/2009/CR- css3-namespace-20090414 /</ a > </ dd >
26+ <!-- <dd><a href="http://dev.w3.org/csswg/css3-namespace/">http://dev.w3.org/csswg/css3-namespace/</a> -->
2727
2828 < dt > Latest version:
2929
@@ -51,7 +51,7 @@ <h2 class="no-num no-toc" id=longstatus>Editor's Draft 24 May 2008</h2>
5151 <!--begin-copyright-->
5252 < p class =copyright > < a
5353 href ="http://www.w3.org/Consortium/Legal/ipr-notice#Copyright "
54- rel =license > Copyright</ a > © 2008 < a
54+ rel =license > Copyright</ a > © 2009 < a
5555 href ="http://www.w3.org/ "> < acronym title ="World Wide Web
5656 Consortium "> W3C</ acronym > </ a > < sup > ®</ sup > (< a
5757 href ="http://www.csail.mit.edu/ "> < acronym title ="Massachusetts Institute
@@ -80,30 +80,38 @@ <h2 class="no-num no-toc" id=abstract>Abstract</h2>
8080 < h2 class ="no-num no-toc " id =status > Status of this document</ h2 >
8181 <!--begin-status-->
8282
83- < p > This is a public copy of the editors' draft. It is provided for
84- discussion only and may change at any moment. Its publication here does
85- not imply endorsement of its contents by W3C. Don't cite this document
86- other than as work in progress.
83+ < p > < em > This section describes the status of this document at the time of
84+ its publication. Other documents may supersede this document. A list of
85+ current W3C publications and the latest revision of this technical report
86+ can be found in the < a href ="http://www.w3.org/TR/ "> W3C technical reports
87+ index at http://www.w3.org/TR/.</ a > </ em >
8788
88- < p > The (< a
89+ < p > This document was produced by the < a href ="/Style/CSS/members "> CSS
90+ Working Group</ a > as a < a href ="/TR/#CR "> Candidate Recommendation.</ a >
91+
92+ < p > A Candidate Recommendation is a document that has been widely reviewed
93+ and ready for implementation. W3C encourages everybody to implement this
94+ specification and return comments to the (< a
8995 href ="http://lists.w3.org/Archives/Public/www-style/ "> archived</ a > ) public
9096 mailing list < a href ="mailto:www-style@w3.org "> www-style@w3.org</ a > (see
91- < a href ="http://www.w3.org/Mail/Request "> instructions</ a > ) is preferred
92- for discussion of this specification. When sending e-mail, please put the
93- text “css3-namespace” in the subject, preferably like this:
94- “[<!----> css3-namespace<!----> ] < em > …summary of
95- comment…</ em > ”
97+ < a href ="http://www.w3.org/Mail/Request "> instructions</ a > ). When sending
98+ e-mail, please put the text “css3-namespace” in the subject,
99+ preferably like this: “[<!----> css3-namespace<!----> ]
100+ < em > …summary of comment…</ em > ”
96101
97- < p > This document was produced by the < a href ="/Style/CSS/members "> CSS
98- Working Group</ a > (part of the < a href ="/Style/ "> Style Activity</ a > ).
102+ < p > Publication as a Candidate Recommendation does not imply endorsement by
103+ the W3C Membership. This is a draft document and may be updated, replaced
104+ or obsoleted by other documents at any time. It is inappropriate to cite
105+ this document as other than work in progress.
99106
100107 < p > This document was produced by a group operating under the < a
101- href ="/Consortium/Patent-Policy-20040205/ "> 5 February 2004 W3C Patent
102- Policy</ a > . W3C maintains a < a href ="/2004/01/pp-impl/32061/status "
103- rel =disclosure > public list of any patent disclosures</ a > made in
104- connection wit
7DDE
h the deliverables of the group; that page also includes
105- instructions for disclosing a patent. An individual who has actual
106- knowledge of a patent which the individual believes contains < a
108+ href ="http://www.w3.org/Consortium/Patent-Policy-20040205/ "> 5 February
109+ 2004 W3C Patent Policy</ a > . W3C maintains a < a
110+ href ="/2004/01/pp-impl/32061/status " rel =disclosure > public list of any
111+ patent disclosures</ a > made in connection with the deliverables of the
112+ group; that page also includes instructions for disclosing a patent. An
113+ individual who has actual knowledge of a patent which the individual
114+ believes contains < a
107115 href ="/Consortium/Patent-Policy-20040205/#def-essential "> Essential
108116 Claim(s)</ a > must disclose the information in accordance with < a
109117 href ="/Consortium/Patent-Policy-20040205/#sec-Disclosure "> section 6 of the
@@ -131,7 +139,7 @@ <h2 class="no-num no-toc" id=status>Status of this document</h2>
131139 there must one or more additional UAs which can also pass those
132140 equivalent tests in the same way for the purpose of interoperability.
133141 The equivalent tests must be made publicly available for the purposes
134- of peer review.</ p >
142+ of peer review.
135143
136144 < dt > implementation
137145
@@ -156,10 +164,10 @@ <h2 class="no-num no-toc" id=status>Status of this document</h2>
156164 < p > A minimum of another three months of the CR period must elapse. That
157165 is, this specification will not exit CR before 23 August 2008. When the
158166 specification exits CR, an implementation report will be published. At
159- this point, no such report exists.</ p >
167+ this point, no such report exists.
160168
161169 < li >
162- < p > The specified technology must not be harmful for accessibility.</ p >
170+ < p > The specified technology must not be harmful for accessibility.
163171 </ ol >
164172
165173 < p > A CSS Namespace < a href ="http://www.w3.org/Style/CSS/Test/ "> Test
@@ -175,14 +183,14 @@ <h2 class="no-num no-toc" id=contents>Table of contents</h2>
175183 <!--begin-toc-->
176184
177185 < ul class =toc >
178- < li > < a href ="#intro "> < span class =secno > 1. </ span > Introduction</ a >
186+ < li > < a href ="#intro "> < span class =secno > 1 </ span > Introduction</ a >
179187
180- < li > < a href ="#conformance "> < span class =secno > 2. </ span > Conformance</ a >
188+ < li > < a href ="#conformance "> < span class =secno > 2 </ span > Conformance</ a >
181189 < ul class =toc >
182190 < li > < a href ="#terminology "> < span class =secno > 2.1 </ span > Terminology</ a >
183191 </ ul >
184192
185- < li > < a href ="#declaration "> < span class =secno > 3. </ span > Declaring
193+ < li > < a href ="#declaration "> < span class =secno > 3 </ span > Declaring
186194 namespaces: the < code > @namespace</ code > rule</ a >
187195 < ul class =toc >
188196 < li > < a href ="#syntax "> < span class =secno > 3.1 </ span > Syntax</ a >
@@ -193,7 +201,7 @@ <h2 class="no-num no-toc" id=contents>Table of contents</h2>
193201 Prefixes</ a >
194202 </ ul >
195203
196- < li > < a href ="#css-qnames "> < span class =secno > 4. </ span > CSS Qualified
204+ < li > < a href ="#css-qnames "> < span class =secno > 4 </ span > CSS Qualified
197205 Names</ a >
198206
199207 < li class =no-num > < a href ="#acknowledgments "> Acknowledgments</ a >
@@ -210,7 +218,7 @@ <h2 class="no-num no-toc" id=contents>Table of contents</h2>
210218 <!--end-toc-->
211219
212220 < div >
213- < h2 id =intro > < span class =secno > 1. </ span > Introduction</ h2 >
221+ < h2 id =intro > < span class =secno > 1 </ span > Introduction</ h2 >
214222
215223 < p > < em > This section is non-normative.</ em > </ p >
216224
@@ -222,7 +230,7 @@ <h2 id=intro><span class=secno>1. </span>Introduction</h2>
222230 or what they mean: that depends on their context and is defined by a host
223231 language, such as Selectors (< a href ="#SELECT "
224232 rel =biblioentry > [SELECT]<!--{{SELECT}}--> </ a > ), that references the
225- syntax defined in the CSS Namespaces module.</ p >
233+ syntax defined in the CSS Namespaces module.
226234
227235 < p > Note that a CSS client that does not support this module will (if it
228236 properly conforms to < a
@@ -235,17 +243,17 @@ <h2 id=intro><span class=secno>1. </span>Introduction</h2>
235243 </ div >
236244
237245 < div >
238- < h2 id =conformance > < span class =secno > 2. </ span > Conformance</ h2 >
246+ < h2 id =conformance > < span class =secno > 2 </ span > Conformance</ h2 >
239247
240248 < p > A document or implementation cannot conform to CSS Namespaces alone,
241249 but can claim conformance to CSS Namespaces if it satisfies the
242250 conformance requirements in this specification when implementing CSS or
243251 another host language that normatively references this specification.</ p >
244252
245- < p > Conformance to CSS Namespaces is defined for two classes:</ p >
253+ < p > Conformance to CSS Namespaces is defined for two classes:
246254
247255 < dl >
248- < dt > < dfn id =style > style sheet</ dfn >
256+ < dt > < dfn id =style-sheet > style sheet</ dfn >
249257
250258 < dd > A < a href ="http://www.w3.org/TR/CSS21/conform.html#style-sheet "> CSS
251259 style sheet</ a > (or a complete unit of another host language that
@@ -270,14 +278,14 @@ <h2 id=conformance><span class=secno>2. </span>Conformance</h2>
270278
271279 < p > Examples in this specification are introduced with the words "for
272280 example" or are set apart from the normative text with
273- < code > class="example"</ code > , like this:</ p >
281+ < code > class="example"</ code > , like this:
274282
275283 < div class =example >
276284 < p > This is an example of an informative example.</ p >
277285 </ div >
278286
279287 < p > Informative notes begin with the word "Note" and are set apart from the
280- normative text with < code> class="note"</ code > , like this:</ p >
288+ normative text with < code > class="note"</ code > , like this:
281289
282290 < p class =note > Note, this is an informative note.</ p >
283291
@@ -306,7 +314,7 @@ <h3 id=terminology><span class=secno>2.1 </span>Terminology</h3>
306314 </ div >
307315
308316 < div >
309- < h2 id =declaration > < span class =secno > 3. </ span > Declaring namespaces: the
317+ < h2 id =declaration > < span class =secno > 3 </ span > Declaring namespaces: the
310318 < code > @namespace</ code > rule</ h2 >
311319
312320 < p > The < code > @namespace</ code > < a
@@ -407,16 +415,20 @@ <h3 id=scope><span class=secno>3.2 </span>Scope</h3>
407415
408416 < h3 id =prefixes > < span class =secno > 3.3 </ span > Declaring Prefixes</ h3 >
409417
410- < p > A < dfn id =namespace > namespace prefix</ dfn > , once declared, represents
411- the namespace for which it was declared and can be used to indicate the
412- namespace of a namespace-qualified name. Namespace prefixes are, < a
413- href ="http://www.w3.org/TR/CSS21/syndata.html#counter "> like CSS counter
414- names</ a > , case-sensitive.</ p >
415-
418+ < p > A < dfn id =namespace-prefix > namespace prefix</ dfn > , once declared,
419+ represents the namespace for which it was declared and can be used to
420+ indicate the namespace of a namespace-qualified name. Namespace prefixes
421+ are, < a href ="http://www.w3.org/TR/CSS21/syndata.html#counter "> like CSS
422+ counter names</ a > , case-sensitive.</ p >
423+ <!-- They do not, however, distinguish between equivalent
424+ canonical Unicode representations. Essentially, an <code>@namespace</code>
425+ declaration declares all prefixes that map to the same NFC representation as
426+ the given prefix to the same namespace name. (See <a href="#UNICODE" rel="biblioentry">[UNICODE]<!--{{!UNICODE}}-->
427+ for the definition of NFC normalization.) -->
416428 < p > If in the namespace declaration the namespace prefix is omitted, then
417429 the namespace so declared is the default namespace. The < dfn
418- id =default > default namespace</ dfn > may apply to names that have no
419- explicit namespace prefix: modules that employ namespace prefixes must
430+ id =default-namespace > default namespace</ dfn > may apply to names that have
431+ no explicit namespace prefix: modules that employ namespace prefixes must
420432 define in which contexts the default namespace applies. For example,
421433 following < a href ="#XML-NAMES "
422434 rel =biblioentry > [XML-NAMES]<!--{{!XML-NAMES}}--> </ a > , in Selectors < a
@@ -435,24 +447,25 @@ <h3 id=prefixes><span class=secno>3.3 </span>Declaring Prefixes</h3>
435447 rel =biblioentry > [SELECT]<!--{{SELECT}}--> </ a > for details.</ p >
436448
437449 < p > If a namespace prefix or default namespace is declared more than once
438- only the last declaration shall be used.</ p >
450+ only the last declaration shall be used. Declaring a namespace prefix or
451+ default namespace more than once is nonconforming.</ p >
439452 </ div >
440453
441454 < div >
442- < h2 id =css-qnames > < span class =secno > 4. </ span > CSS Qualified Names</ h2 >
443-
444- < p > A < dfn id =css-qualified > CSS qualified name</ dfn > is a name explicitly
445- located within (associated with) a namespace. To form a qualified name in
446- CSS syntax, a namespace prefix that has been declared within scope is
447- prepended to a local name (such as an element or attribute name),
448- separated by a "vertical bar" (< code > |</ code > , U+007C). The prefix,
449- representing the namespace for which it has been declared, indicates the
450- namespace of the local name. The prefix of a qualified name may be
451- omitted to indicate that the name belongs to no namespace, i.e. that the
452- namespace name part of the expanded name has no value. Some contexts (as
453- defined by the host language) may allow the use of an asterisk
454- (< code > *</ code > , U+002A) as a wildcard prefix to indicate a name in any
455- namespace, including no namespace.</ p >
455+ < h2 id =css-qnames > < span class =secno > 4 </ span > CSS Qualified Names</ h2 >
456+
457+ < p > A < dfn id =css-qualified-name > CSS qualified name</ dfn > is a name
458+ explicitly located within (associated with) a namespace. To form a
459+ qualified name in CSS syntax, a namespace prefix that has been declared
460+ within scope is prepended to a local name (such as an element or
461+ attribute name), separated by a "vertical bar" (< code > |</ code > , U+007C).
462+ The prefix, representing the namespace for which it has been declared,
463+ indicates the namespace of the local name. The prefix of a qualified name
464+ may be omitted to indicate that the name belongs to no namespace, i.e.
465+ that the namespace name part of the expanded name has no value. Some
466+ contexts (as defined by the host language) may allow the use of an
467+ asterisk (< code > *</ code > , U+002A) as a wildcard prefix to indicate a name
468+ in any namespace, including no namespace.</ p >
456469
457470 < div class =example >
458471 < p > Given the namespace declarations:</ p >
@@ -559,9 +572,20 @@ <h3 class=no-num id=normative-references>Normative references</h3>
559572 </ dd >
560573 <!---->
561574
575+ < dt id =UNICODE > [UNICODE]
576+
577+ < dd > The Unicode Consortium. < a
578+ href ="http://www.unicode.org/unicode/standard/versions/enumeratedversions.html "> < cite > The
579+ Unicode Standard.</ cite > </ a > 2003. Defined by: The Unicode Standard,
580+ Version 4.0 (Boston, MA, Addison-Wesley, ISBN 0-321-18578-1), as updated
581+ from time to time by the publication of new versions URL: < a
582+ href ="http://www.unicode.org/unicode/standard/versions/enumeratedversions.html "> http://www.unicode.org/unicode/standard/versions/enumeratedversions.html</ a >
583+ </ dd >
584+ <!---->
585+
562586 < dt id =XML-NAMES > [XML-NAMES]
563587
564- < dd > Tim Bray ; et al. < a
588+ < dd > Richard Tobin ; et al. < a
565589 href ="http://www.w3.org/TR/2006/REC-xml-names-20060816 "> < cite > Namespaces
566590 in XML 1.0 (Second Edition).</ cite > </ a > 16 August 2006. W3C
567591 Recommendation. URL: < a
@@ -581,10 +605,11 @@ <h3 class=no-num id=informative-references>Informative references</h3>
581605
582606 < dt id =SELECT > [SELECT]
583607
584- < dd > Daniel Glazman; Tantek Çelik; Ian Hickson. < a
585- href ="http://www.w3.org/TR/2005/WD-css3-selectors-20051215 "> < cite > Selectors.</ cite > </ a >
586- 15 December 2005. W3C Working Draft. (Work in progress.) URL: < a
587- href ="http://www.w3.org/TR/2005/WD-css3-selectors-20051215 "> http://www.w3.org/TR/2005/WD-css3-selectors-20051215</ a >
608+ < dd > Daniel Glazman; et al. < a
609+ href ="http://www.w3.org/TR/2009/WD-css3-selectors-20090310 "> < cite > Selectors
610+ Level 3.</ cite > </ a > 10 March 2009. W3C Working Draft. (Work in progress.)
611+ URL: < a
612+ href ="http://www.w3.org/TR/2009/WD-css3-selectors-20090310 "> http://www.w3.org/TR/2009/WD-css3-selectors-20090310</ a >
588613 </ dd >
589614 <!---->
590615 </ dl >
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