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| 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 | + <schema . . .> |
| 208 | + . . . |
| 209 | + <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 | + <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 | + <type . . .> |
| 225 | + . . . |
| 226 | + <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> |
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