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/bundles/plugins-trunk/XML/xml/dtds/xml.xsd

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XML Schema | 287 lines | 264 code | 23 blank | 0 comment | 0 complexity | bf97e27bdd02f7031a8a71ea4d229daf MD5 | raw file
  1<?xml version='1.0'?>
  2<?xml-stylesheet href="../2008/09/xsd.xsl" type="text/xsl"?>
  3<xs:schema targetNamespace="http://www.w3.org/XML/1998/namespace" 
  4  xmlns:xs="http://www.w3.org/2001/XMLSchema" 
  5  xmlns   ="http://www.w3.org/1999/xhtml"
  6  xml:lang="en">
  7
  8 <xs:annotation>
  9  <xs:documentation>
 10   <div>
 11    <h1>About the XML namespace</h1>
 12
 13    <div class="bodytext">
 14     <p>
 15      This schema document describes the XML namespace, in a form
 16      suitable for import by other schema documents.
 17     </p>
 18     <p>
 19      See <a href="http://www.w3.org/XML/1998/namespace.html">
 20      http://www.w3.org/XML/1998/namespace.html</a> and
 21      <a href="http://www.w3.org/TR/REC-xml">
 22      http://www.w3.org/TR/REC-xml</a> for information 
 23      about this namespace.
 24     </p>
 25     <p>
 26      Note that local names in this namespace are intended to be
 27      defined only by the World Wide Web Consortium or its subgroups.
 28      The names currently defined in this namespace are listed below.
 29      They should not be used with conflicting semantics by any Working
 30      Group, specification, or document instance.
 31     </p>
 32     <p>   
 33      See further below in this document for more information about <a
 34      href="#usage">how to refer to this schema document from your own
 35      XSD schema documents</a> and about <a href="#nsversioning">the
 36      namespace-versioning policy governing this schema document</a>.
 37     </p>
 38    </div>
 39   </div>
 40  </xs:documentation>
 41 </xs:annotation>
 42
 43 <xs:attribute name="lang">
 44  <xs:annotation>
 45   <xs:documentation>
 46    <div>
 47     
 48      <h3>lang (as an attribute name)</h3>
 49      <p>
 50       denotes an attribute whose value
 51       is a language code for the natural language of the content of
 52       any element; its value is inherited.  This name is reserved
 53       by virtue of its definition in the XML specification.</p>
 54     
 55    </div>
 56    <div>
 57     <h4>Notes</h4>
 58     <p>
 59      Attempting to install the relevant ISO 2- and 3-letter
 60      codes as the enumerated possible values is probably never
 61      going to be a realistic possibility.  
 62     </p>
 63     <p>
 64      See BCP 47 at <a href="http://www.rfc-editor.org/rfc/bcp/bcp47.txt">
 65       http://www.rfc-editor.org/rfc/bcp/bcp47.txt</a>
 66      and the IANA language subtag registry at
 67      <a href="http://www.iana.org/assignments/language-subtag-registry">
 68       http://www.iana.org/assignments/language-subtag-registry</a>
 69      for further information.
 70     </p>
 71     <p>
 72      The union allows for the 'un-declaration' of xml:lang with
 73      the empty string.
 74     </p>
 75    </div>
 76   </xs:documentation>
 77  </xs:annotation>
 78  <xs:simpleType>
 79   <xs:union memberTypes="xs:language">
 80    <xs:simpleType>    
 81     <xs:restriction base="xs:string">
 82      <xs:enumeration value=""/>
 83     </xs:restriction>
 84    </xs:simpleType>
 85   </xs:union>
 86  </xs:simpleType>
 87 </xs:attribute>
 88
 89 <xs:attribute name="space">
 90  <xs:annotation>
 91   <xs:documentation>
 92    <div>
 93     
 94      <h3>space (as an attribute name)</h3>
 95      <p>
 96       denotes an attribute whose
 97       value is a keyword indicating what whitespace processing
 98       discipline is intended for the content of the element; its
 99       value is inherited.  This name is reserved by virtue of its
100       definition in the XML specification.</p>
101     
102    </div>
103   </xs:documentation>
104  </xs:annotation>
105  <xs:simpleType>
106   <xs:restriction base="xs:NCName">
107    <xs:enumeration value="default"/>
108    <xs:enumeration value="preserve"/>
109   </xs:restriction>
110  </xs:simpleType>
111 </xs:attribute>
112 
113 <xs:attribute name="base" type="xs:anyURI"> <xs:annotation>
114   <xs:documentation>
115    <div>
116     
117      <h3>base (as an attribute name)</h3>
118      <p>
119       denotes an attribute whose value
120       provides a URI to be used as the base for interpreting any
121       relative URIs in the scope of the element on which it
122       appears; its value is inherited.  This name is reserved
123       by virtue of its definition in the XML Base specification.</p>
124     
125     <p>
126      See <a
127      href="http://www.w3.org/TR/xmlbase/">http://www.w3.org/TR/xmlbase/</a>
128      for information about this attribute.
129     </p>
130    </div>
131   </xs:documentation>
132  </xs:annotation>
133 </xs:attribute>
134 
135 <xs:attribute name="id" type="xs:ID">
136  <xs:annotation>
137   <xs:documentation>
138    <div>
139     
140      <h3>id (as an attribute name)</h3> 
141      <p>
142       denotes an attribute whose value
143       should be interpreted as if declared to be of type ID.
144       This name is reserved by virtue of its definition in the
145       xml:id specification.</p>
146     
147     <p>
148      See <a
149      href="http://www.w3.org/TR/xml-id/">http://www.w3.org/TR/xml-id/</a>
150      for information about this attribute.
151     </p>
152    </div>
153   </xs:documentation>
154  </xs:annotation>
155 </xs:attribute>
156
157 <xs:attributeGroup name="specialAttrs">
158  <xs:attribute ref="xml:base"/>
159  <xs:attribute ref="xml:lang"/>
160  <xs:attribute ref="xml:space"/>
161  <xs:attribute ref="xml:id"/>
162 </xs:attributeGroup>
163
164 <xs:annotation>
165  <xs:documentation>
166   <div>
167   
168    <h3>Father (in any context at all)</h3> 
169
170    <div class="bodytext">
171     <p>
172      denotes Jon Bosak, the chair of 
173      the original XML Working Group.  This name is reserved by 
174      the following decision of the W3C XML Plenary and 
175      XML Coordination groups:
176     </p>
177     <blockquote>
178       <p>
179	In appreciation for his vision, leadership and
180	dedication the W3C XML Plenary on this 10th day of
181	February, 2000, reserves for Jon Bosak in perpetuity
182	the XML name "xml:Father".
183       </p>
184     </blockquote>
185    </div>
186   </div>
187  </xs:documentation>
188 </xs:annotation>
189
190 <xs:annotation>
191  <xs:documentation>
192   <div xml:id="usage" id="usage">
193    <h2><a name="usage">About this schema document</a></h2>
194
195    <div class="bodytext">
196     <p>
197      This schema defines attributes and an attribute group suitable
198      for use by schemas wishing to allow <code>xml:base</code>,
199      <code>xml:lang</code>, <code>xml:space</code> or
200      <code>xml:id</code> attributes on elements they define.
201     </p>
202     <p>
203      To enable this, such a schema must import this schema for
204      the XML namespace, e.g. as follows:
205     </p>
206     <pre>
207          &lt;schema . . .>
208           . . .
209           &lt;import namespace="http://www.w3.org/XML/1998/namespace"
210                      schemaLocation="http://www.w3.org/2001/xml.xsd"/>
211     </pre>
212     <p>
213      or
214     </p>
215     <pre>
216           &lt;import namespace="http://www.w3.org/XML/1998/namespace"
217                      schemaLocation="http://www.w3.org/2009/01/xml.xsd"/>
218     </pre>
219     <p>
220      Subsequently, qualified reference to any of the attributes or the
221      group defined below will have the desired effect, e.g.
222     </p>
223     <pre>
224          &lt;type . . .>
225           . . .
226           &lt;attributeGroup ref="xml:specialAttrs"/>
227     </pre>
228     <p>
229      will define a type which will schema-validate an instance element
230      with any of those attributes.
231     </p>
232    </div>
233   </div>
234  </xs:documentation>
235 </xs:annotation>
236
237 <xs:annotation>
238  <xs:documentation>
239   <div id="nsversioning" xml:id="nsversioning">
240    <h2><a name="nsversioning">Versioning policy for this schema document</a></h2>
241    <div class="bodytext">
242     <p>
243      In keeping with the XML Schema WG's standard versioning
244      policy, this schema document will persist at
245      <a href="http://www.w3.org/2009/01/xml.xsd">
246       http://www.w3.org/2009/01/xml.xsd</a>.
247     </p>
248     <p>
249      At the date of issue it can also be found at
250      <a href="http://www.w3.org/2001/xml.xsd">
251       http://www.w3.org/2001/xml.xsd</a>.
252     </p>
253     <p>
254      The schema document at that URI may however change in the future,
255      in order to remain compatible with the latest version of XML
256      Schema itself, or with the XML namespace itself.  In other words,
257      if the XML Schema or XML namespaces change, the version of this
258      document at <a href="http://www.w3.org/2001/xml.xsd">
259       http://www.w3.org/2001/xml.xsd 
260      </a> 
261      will change accordingly; the version at 
262      <a href="http://www.w3.org/2009/01/xml.xsd">
263       http://www.w3.org/2009/01/xml.xsd 
264      </a> 
265      will not change.
266     </p>
267     <p>
268      Previous dated (and unchanging) versions of this schema 
269      document are at:
270     </p>
271     <ul>
272      <li><a href="http://www.w3.org/2009/01/xml.xsd">
273	http://www.w3.org/2009/01/xml.xsd</a></li>
274      <li><a href="http://www.w3.org/2007/08/xml.xsd">
275	http://www.w3.org/2007/08/xml.xsd</a></li>
276      <li><a href="http://www.w3.org/2004/10/xml.xsd">
277	http://www.w3.org/2004/10/xml.xsd</a></li>
278      <li><a href="http://www.w3.org/2001/03/xml.xsd">
279	http://www.w3.org/2001/03/xml.xsd</a></li>
280     </ul>
281    </div>
282   </div>
283  </xs:documentation>
284 </xs:annotation>
285
286</xs:schema>
287