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<body class="has-abstract"> |
<body class="has-abstract"> |
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<div class="header"> |
<div class="header"> |
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<h1>manakai's XML Conformance Checking</h1> |
<h1>manakai's <abbr>XML</abbr> Conformance Checking</h1> |
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<h2>Working Draft <time datetime=2007-11-13>13 November 2007</time></h2> |
<h2>Working Draft <time datetime=2007-12-01>1 December 2007</time></h2> |
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<dl class="versions-uri"> |
<dl class="versions-uri"> |
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<dt>This Version</dt> |
<dt>This Version</dt> |
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raised is undefined.</p> |
raised is undefined.</p> |
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</div> |
</div> |
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<div class="section" id=checking-dom> |
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<h2>Checking <abbr>DOM</abbr></h2> |
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<p>The following algorithms and definitions are applied to |
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<abbr>XML</abbr> documents; especially, they are not applied |
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to <abbr>HTML</abbr> documents.<!-- TODO: ref to HTML5 --></p> |
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<div class=section id=error-categories> |
<div class=section id=error-categories> |
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<h3>Error Classification</h3> |
<h2>Error Classification</h2> |
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<p class=ed>If a <code>Document</code> node has no |
<p class=ed>If a <code>Document</code> node has no |
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xml-well-formedness-error, entity-error, and unknown-error, |
xml-well-formedness-error, entity-error, and unknown-error, |
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can be easily serialized into a valid XML document.</p> |
can be easily serialized into a valid XML document.</p> |
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</div> |
</div> |
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<p class=ed>To be a conforming <a href="http://www.w3.org/TR/2006/REC-xml-20060816/#dt-validating">validating XML processor</a>, |
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...</p> |
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|
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<p>Errors are classified into these |
<p>Errors are classified into these |
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<dfn id=error-category title="error category">error categories</dfn>:</p> |
<dfn id=error-category title="error category">error categories</dfn>:</p> |
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|
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</dd> |
</dd> |
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<dt><dfn id=round-trip-error><code>round-trip-error</code></dfn></dt> |
<dt><dfn id=round-trip-error><code>round-trip-error</code></dfn></dt> |
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<dd class=ed>@@</dd> |
<dd class=ed>@@</dd> |
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<dt><dfn id=round-trip-warning><code>round-trip-warning</code></dfn></dt> |
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<dd> |
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<p>A <a href="#round-trip-warning"><code>round-trip-warning</code></a> |
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will be raised when a construct, which might not be restored to the same |
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construct when it is serialized and then re-parsed by a conforming |
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processor, is encountered.</p> |
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<div class="example memo"> |
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<p>For a <code>Comment</code> node a |
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<a href="#round-trip-warning"><code>round-trip-warning</code></a> will |
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be raised, since <abbr>XML</abbr> processors are not required to |
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report texts of comments for applications.</p> |
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</div> |
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</dd> |
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<dt class=ed><dfn id=unknown-error><code>unknown-error</code></dfn>?</dt> |
<dt class=ed><dfn id=unknown-error><code>unknown-error</code></dfn>?</dt> |
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<dd class=ed>@@</dd> |
<dd class=ed>@@</dd> |
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<dt><dfn id=xml-misc-error><code>xml-misc-error</code></dt> |
<dt><dfn id=xml-misc-error><code>xml-misc-error</code></dt> |
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<a href="@@/#dt-fatal">fatal error</a>) |
<a href="@@/#dt-fatal">fatal error</a>) |
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that is not classified to any other <a href="#error-category">error |
that is not classified to any other <a href="#error-category">error |
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category</a>. <span class=ed>@@ What errors fall into this category?</span></dd> |
category</a>. <span class=ed>@@ What errors fall into this category?</span></dd> |
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<dt><dfn id=xml-misc-recommendation><code>xml-misc-recommendation</code></dfn></dt> |
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<dd> |
194 |
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<p>An |
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<a href="#xml-misc-recommendation"><code>xml-misc-recommendation</code></a> |
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will be raised if a <em class=rfc2119>SHOULD</em>$B!>(Blevel requirement |
197 |
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in <abbr>XML</abbr> specification is not met.</p> |
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</dd> |
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<dt><dfn id=xml-validity-error><code>xml-validity-error</code></dfn></dt> |
<dt><dfn id=xml-validity-error><code>xml-validity-error</code></dfn></dt> |
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<dd>A violation of validity constraint in XML document.</dd> |
<dd>A violation of validity constraint in XML document.</dd> |
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<dt><dfn id=xml-well-formedness-error><code>xml-well-formedness-error</code></dfn></dt> |
<dt><dfn id=xml-well-formedness-error><code>xml-well-formedness-error</code></dfn></dt> |
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</div> |
</div> |
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<div class=section id=parsing-xml> |
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<h2>Parsing <abbr>XML</abbr> Document</h2> |
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<ul> |
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<li>If the <abbr>XML</abbr> document does not begin with an |
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<abbr>XML</abbr> declaration, then raise an |
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<a href="#xml-misc-recommentation" id=xmr-xml-decl><code>xml-misc-recommendation</code></a>.</li> |
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<li>If the replacement text of an entity declaration is |
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<code><</code>, then raise an |
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<a href="#xml-misc-warning" id=xmw-entity-value-lt><code>xml-misc-warning</code></a>.<!-- |
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"strongly advised to avoid" in a Note in Section 2.3 of [XML10], [XML11]. |
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--></li> |
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<li>If there is an element type declaration whose <code>Name</code> |
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value is already declared, then raise an |
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<a href="#xml-validity-error" id=vc-edunique><code>xml-validity-error</code></a>.</li> |
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<li>If attribute definition whose <code>Name</code> is |
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<code>xml:space</code> has <span class=ed>declared type different from |
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(default|preserve), (default), or (preserve)</span>, then raise an |
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<a href="#xml-misc-error" id=xme-ad-xml-space><code>xml-misc-error</code></a>. |
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<span class=ed>@@ duplication with |
236 |
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<a href="#xml-at-xml-space">#xml-at-xml-space</a>.<!-- |
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<!ATTLIST e xml:space CDATA #IMPLIED xml:space CDATA #IMPLIED> --></span></li> |
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<li>If an empty-element tag is used for an element which is <em>not</em> |
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declared <code>EMPTY</code>, then raise an |
240 |
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<a href="#xml-misc-recommentation" id=xmr-emptyelemtag-not-empty><code>xml-misc-recommendation</code></a>.</li> |
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<li>If an empty-element tag is <em>not</em> used for an element which is |
242 |
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declared <code>EMPTY</code>, then raise an |
243 |
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<a href="#xml-misc-recommentation" id=xmr-empty-not-emptyelemtag><code>xml-misc-recommendation</code></a>.</li> |
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<!-- |
245 |
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#vc-PEinMarkupDecl Validity constraint: Proper Declaration/PE Nesting |
247 |
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#wfc-PEinInternalSubset Well-formedness constraint: PEs in Internal Subset |
248 |
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#ExtSubset Well-formedness constraint: External Subset |
249 |
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#PE-between-Decls Well-formedness constraint: PE Between Declarations |
250 |
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#GIMatch Well-formedness constraint: Element Type Match |
251 |
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#uniqattspec Well-formedness constraint: Unique Att Spec |
252 |
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#NoExternalRefs Well-formedness constraint: No External Entity References |
253 |
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#CleanAttrVals Well-formedness constraint: No < in Attribute Values |
254 |
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#vc-PEinGroup Validity constraint: Proper Group/PE Nesting |
255 |
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"For interoperability, if a parameter-entity reference appears in a choice, seq, or Mixed construct, its replacement text SHOULD contain at least one non-blank character, and neither the first nor last non-blank character of the replacement text SHOULD be a connector (| or ,)." |
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"For interoperability, an XML processor MAY at user option issue a warning when more than one attribute-list declaration is provided for a given element type, or more than one attribute definition is provided for a given attribute, but this is not an error." |
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#condsec-nesting Validity constraint: Proper Conditional Section/PE Nesting |
258 |
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#wf-Legalchar Well-formedness constraint: Legal Character |
259 |
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#textent Well-formedness constraint: Parsed Entity |
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#norecursion Well-formedness constraint: No Recursion |
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#indtd Well-formedness constraint: In DTD |
262 |
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"External parsed entities SHOULD each begin with a text declaration." |
263 |
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"It is an error for a reference to an unparsed entity to appear in the EntityValue in an entity declaration." |
264 |
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#UniqueNotationName Validity constraint: Unique Notation Name |
265 |
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266 |
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@@ Need detailed review, but maybe should be in parsing phase |
267 |
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268 |
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#vc-check-rmd Validity constraint: Standalone Document Declaration |
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|
270 |
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@@ Need dtailed review |
271 |
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272 |
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#wf-entdeclared Well-formedness constraint: Entity Declared |
273 |
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#vc-entdeclared Validity constraint: Entity Declared |
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"For interoperability, valid documents SHOULD declare the entities amp, lt, gt, apos, quot, in the form specified in 4.6 Predefined Entities." |
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"If the entities lt or amp are declared, they MUST be declared as internal entities whose replacement text is a character reference to the respective character (less-than sign or ampersand) being escaped; the double escaping is REQUIRED for these entities so that references to them produce a well-formed result. If the entities gt, apos, or quot are declared, they MUST be declared as internal entities whose replacement text is the single character being escaped (or a character reference to that character; the double escaping here is OPTIONAL but harmless)." |
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277 |
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@@ flaged and then reported in DOM check phase |
278 |
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279 |
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"Entities encoded in UTF-16 MUST and entities encoded in UTF-8 MAY begin with the Byte Order Mark" |
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"In the absence of external character encoding information (such as MIME headers), parsed entities which are stored in an encoding other than UTF-8 or UTF-16 MUST begin with a text declaration" |
281 |
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"In an encoding declaration, the values "UTF-8", "UTF-16", "ISO-10646-UCS-2", and "ISO-10646-UCS-4" SHOULD be used for the various encodings and transformations of Unicode / ISO/IEC 10646, the values "ISO-8859-1", "ISO-8859-2", ... "ISO-8859-n" (where n is the part number) SHOULD be used for the parts of ISO 8859, and the values "ISO-2022-JP", "Shift_JIS", and "EUC-JP" SHOULD be used for the various encoded forms of JIS X-0208-1997. It is RECOMMENDED that character encodings registered (as charsets) with the Internet Assigned Numbers Authority [IANA-CHARSETS], other than those just listed, be referred to using their registered names; other encodings SHOULD use names starting with an "x-" prefix." |
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283 |
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@@ in parsing phase |
284 |
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285 |
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"It is a fatal error when an XML processor encounters an entity with an encoding that it is unable to process. It is a fatal error if an XML entity is determined (via default, encoding declaration, or higher-level protocol) to be in a certain encoding but contains byte sequences that are not legal in that encoding." |
286 |
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|
287 |
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--> |
288 |
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</ul> |
289 |
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</div> |
290 |
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|
291 |
|
<div class="section" id=checking-dom> |
292 |
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<h2>Checking <abbr>DOM</abbr></h2> |
293 |
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|
294 |
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<p>The following algorithms and definitions are applied to |
295 |
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<abbr>XML</abbr> documents; especially, they are not applied |
296 |
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to <abbr>HTML</abbr> documents.<!-- TODO: ref to HTML5 --></p> |
297 |
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|
298 |
<div class=section id=definitions> |
<div class=section id=definitions> |
299 |
<h3>Definitions</h3> |
<h3>Definitions</h3> |
300 |
|
|
334 |
then raise an |
then raise an |
335 |
<a href="#xml-misc-warning" id=xmw-control-char><code>xml-misc-warning</code></a>.</li> |
<a href="#xml-misc-warning" id=xmw-control-char><code>xml-misc-warning</code></a>.</li> |
336 |
<li class=ed>@@ XML 1.1 support</li> |
<li class=ed>@@ XML 1.1 support</li> |
337 |
<li class=ed>@@ If U+000D, round-trip-error</li> |
<li>If <var>s</var> contains a <code class=char>U+000D</code> |
338 |
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<code class=charname>CARRIAGE RETURN</code> character, then |
339 |
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raise a |
340 |
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<a href="#round-trip-error" id=rte-cr><code>round-trip-error</code></a>. |
341 |
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<span class=ed>@@ We should not raise duplicate errors for U+000D |
342 |
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in attribute values. In addition, we should support a mode where |
343 |
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U+000D will be serialized as 
 (so that no round-trip-error |
344 |
|
will be raised).</span></li> |
345 |
</ol> |
</ol> |
346 |
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|
347 |
<p>The algorithm |
<p>The algorithm |
348 |
<dfn id=algorithm-to-validate-a-name title="to validate a Name">to validate a |
<dfn id=algorithm-to-validate-a-name title="to validate a Name">to validate a |
349 |
<code>Name</code> (<dfn id=var-name><var>name</var></dfn>)</dfn> is defined |
<code>Name</code> (<dfn id=var-name-s><var>s</var></dfn>)</dfn> is defined |
350 |
as following:</p> |
as following:</p> |
351 |
<ol> |
<ol> |
352 |
|
<li>If <var>s</var> begins with the string <code>xml</code> (in any |
353 |
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case combination), then raise an |
354 |
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<a href="#xml-misc-warning" id=xmw-reserved-name><code>xml-misc-warning</code></a>. |
355 |
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<span class=ed>@@ except for attribute names <code>xml:lang</code>, |
356 |
|
<code>xml:space</code>, <code>xml:base</code>, <code>xml:id</code>, |
357 |
|
<code>xmlns</code>, <code>xmlns:<var>*</var></code>, |
358 |
|
pi name <code>xml-stylesheet</code>.</span><!-- |
359 |
|
"names beginning with a match to (('X'|'x')('M'|'m')('L'|'l')) are reserved for standardization in this or future versions of this specification.": |
360 |
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xml:base and xml:id specifications violate to this sentense! |
361 |
|
--></li> |
362 |
|
<!-- COLON in Name is a lowercase "should not" in a Note of [XML10], |
363 |
|
[XML11]. --> |
364 |
<li class=ed>@@</li> |
<li class=ed>@@</li> |
365 |
</ol> |
</ol> |
366 |
|
|
426 |
<a href="#algorithm-to-check-a-node" title="check a node">check |
<a href="#algorithm-to-check-a-node" title="check a node">check |
427 |
<var>n<sub><var>c</var></sub></var></a> recusrively.</li> |
<var>n<sub><var>c</var></sub></var></a> recusrively.</li> |
428 |
</ol></li> |
</ol></li> |
429 |
|
<li>If <code>nodeName</code> attribute of <var>n</var> is |
430 |
|
<code>xml:space</code> <span class=ed>@@ or {xml namespace}:space ?</span> |
431 |
|
and <code>value</code> attribute of <var>n</var> is neither |
432 |
|
<code>default</code> nor <code>preserve</code>, then it is an |
433 |
|
<a href="#xml-misc-error" id=xme-attr-xml-space><code>xml-misc-error</code></a>.<!-- |
434 |
|
Note that <!ATTLIST e xml:space (default|preserve) "a">... |
435 |
|
<e xml:space="default"/> is conforming and valid. --></li> |
436 |
|
<li class=ed>@@ xml:lang value is not a language tag [RFC 3066 or its |
437 |
|
successor] or an empty string, then xml-misc-warning |
438 |
|
(a "fact"-level error; not an XML error).</li> |
439 |
<li class=ed>@@ <code>specified</code>, |
<li class=ed>@@ <code>specified</code>, |
440 |
<code>manakaiAttributeType</code></li> |
<code>manakaiAttributeType</code> (#ValueType Validity constraint: Attribute Value Type)</li> |
441 |
|
<!-- xml:space MUST be declared to be valid. --> |
442 |
|
<li>Let <dfn id=var-v><var>v</var></dfn> be the value of the |
443 |
|
attribute <code>value</code> of <var>n</var>.</li> |
444 |
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<li>Validate the <var>n</var> against the <span class=ed>declared |
445 |
|
type</span> as following: |
446 |
|
<dl class=switch> |
447 |
|
<dt class=ed><code>ID_ATTR</code></dt> |
448 |
|
<dd> |
449 |
|
<ol> |
450 |
|
<li><span class=ed>Validate <var>v</var> as an |
451 |
|
<code>Name</code>.</span> If it fails, then raise an |
452 |
|
<a href="#xml-validity-error" id=vc-id-name><code>xml-validity-error</code></a>.</li> |
453 |
|
<li><span class=ed>If <code>ID</code> <var>v</var> is defined,</span> |
454 |
|
then raise an |
455 |
|
<a href="#xml-validity-error" id=vc-id-duplication><code>xml-validity-error</code></a>.</li> |
456 |
|
</ol> |
457 |
|
</dd> |
458 |
|
<dt class=ed>IDREF_ATTR</dt> |
459 |
|
<dd> |
460 |
|
<ol> |
461 |
|
<li><span class=ed>Validate <var>v</var> as an |
462 |
|
<code>Name</code>.</span> If it fails, then raise an |
463 |
|
<a href="#xml-validity-error" id=vc-idref-name><code>xml-validity-error</code></a>.</li> |
464 |
|
<li><span class=ed>If <code>ID</code> <var>v</var> is NOT |
465 |
|
defined,</span> then raise an |
466 |
|
<a href="#xml-validity-error" id=vc-idref-match><code>xml-validity-error</code></a>.</li> |
467 |
|
</ol> |
468 |
|
</dd> |
469 |
|
<dt class=ed>IDREFS_ATTR</dt> |
470 |
|
<dd class=ed>@@</dd> |
471 |
|
<dt class=ed>ENTITY_ATTR</dt> |
472 |
|
<dd> |
473 |
|
<ol> |
474 |
|
<li><span class=ed>Validate <var>v</var> as an |
475 |
|
<code>Name</code>.</span> If it fails, then raise an |
476 |
|
<a href="#xml-validity-error" id=vc-entname-name><code>xml-validity-error</code></a>.</li> |
477 |
|
<li><span class=ed>If <code>Entity</code> <var>v</var> is NOT |
478 |
|
defined,</span> then raise an |
479 |
|
<a href="#xml-validity-error" id=vc-entname-match><code>xml-validity-error</code></a>.</li> |
480 |
|
</ol> |
481 |
|
</dd> |
482 |
|
<dt class=ed>ENTITIES_ATTR</dt> |
483 |
|
<dd class=ed>@@</dd> |
484 |
|
<dt class=ed>NMTOKEN_ATTR</dt> |
485 |
|
<dd> |
486 |
|
<ol> |
487 |
|
<li><span class=ed>Validate <var>v</var> as an |
488 |
|
<code>Nmtoken</code>.</span> If it fails, then raise an |
489 |
|
<a href="#xml-validity-error" id=vc-nmtok-name><code>xml-validity-error</code></a>.</li> |
490 |
|
</ol> |
491 |
|
</dd> |
492 |
|
<dt class=ed>NMTOKENS_ATTR</dt> |
493 |
|
<dd class=ed>@@</dd> |
494 |
|
<dt class=ed>NOTATION_ATTR</dt> |
495 |
|
<dd class=ed><var>v</var> must be one of enumerated values. |
496 |
|
If not, then raise an |
497 |
|
<a href="#xml-validity-error" id=vc-notatn-match><code>xml-validity-error</code></a>.</dd> |
498 |
|
<dt class=ed>ENUMERATED_ATTR</dt> |
499 |
|
<dd class=ed><var>v</var> must be one of enumerated values. |
500 |
|
If not, then raise an |
501 |
|
<a href="#xml-validity-error" id=vc-enum><code>xml-validity-error</code></a>.</dd> |
502 |
|
<dt class=ed>@@</dt> |
503 |
|
</dl> |
504 |
|
</li> |
505 |
|
<li>If <span class=ed>type ID and default is NOT #IMPLIED or #REQUIRED</span>, then |
506 |
|
raise an |
507 |
|
<a href="#xml-validity-error" id=vc-id-default><code>xml-validity-error</code></a>.</li> |
508 |
|
<li class=ed>@@ #FixedAttr Validity constraint: Fixed Attribute Default</li> |
509 |
|
<li class=ed>@@ strict serialization error for U+000D, U+000A, and |
510 |
|
U+0009 characters, leading/trailing U+0020, and U+0020{2,} string?</li> |
511 |
</ol> |
</ol> |
512 |
</dd> |
</dd> |
513 |
<dt>If <var>n</var> is an <code>AttributeDefinition</code> node</dt> |
<dt>If <var>n</var> is an <code>AttributeDefinition</code> node</dt> |
514 |
<dd> |
<dd> |
515 |
<ol> |
<ol> |
516 |
<li class=ed></li> |
<li class=ed></li> |
517 |
|
<li>If <code>nodeName</code> attribute of <var>n</var> is |
518 |
|
<code>xml:space</code> <span class=ed>@@ or {xml namespace}:space ?</span> |
519 |
|
and <span class=ed>its declared type is different from (default|preserve), |
520 |
|
(default), or (preserve)</span>, then raise an |
521 |
|
<a href="#xml-misc-error" id=xme-at-xml-space><code>xml-misc-error</code></a>.</li> |
522 |
<li>For each node <dfn id=var-ad-nc><var>n<sub><var>c</var></sub></var></dfn> in the |
<li>For each node <dfn id=var-ad-nc><var>n<sub><var>c</var></sub></var></dfn> in the |
523 |
<code>childNodes</code> list of <var>n</var>, |
<code>childNodes</code> list of <var>n</var>, |
524 |
<ol> |
<ol> |
532 |
<a href="#algorithm-to-check-a-node" title="check a node">check |
<a href="#algorithm-to-check-a-node" title="check a node">check |
533 |
<var>n<sub><var>c</var></sub></var></a> recusrively.</li> |
<var>n<sub><var>c</var></sub></var></a> recusrively.</li> |
534 |
</ol></li> |
</ol></li> |
535 |
|
<li class=ed>If <code>NOTATION_ATTR</code>, enumerated values MUST |
536 |
|
be declared. If not, then raise an |
537 |
|
<a href="#xml-validity-error" id=vc-notatn-declared><code>xml-validity-error</code></a>.</li> |
538 |
|
<li class=ed>If <code>NOTATION_ATTR</code> or <code>ENUMERATED_ATTR</code>, |
539 |
|
values MUST all be distinct. If not, then raise an |
540 |
|
<a href="#xml-validity-error" id=vc-no-duplicate-tokens><code>xml-validity-error</code></a>.</li> |
541 |
|
<li class=ed>If <code>NOTATION_ATTR</code> on an <code>EMPTY</code> |
542 |
|
element, then raise an |
543 |
|
<a href="#xml-validity-error" id=vc-no-notation-empty><code>xml-validity-error</code></a>.</li> |
544 |
|
<li class=ed>@@ #defattrvalid Validity constraint: Attribute Default Value Syntactically Correct</li> |
545 |
</ol> |
</ol> |
546 |
</dd> |
</dd> |
547 |
<dt>If <var>n</var> is a <code>CDATASection</code> node</dt> |
<dt>If <var>n</var> is a <code>CDATASection</code> node</dt> |
551 |
<code>data</code> attribute value as an <abbr>XML</abbr> character |
<code>data</code> attribute value as an <abbr>XML</abbr> character |
552 |
data</a>.</li> |
data</a>.</li> |
553 |
<li>If the <code>data</code> attribute value contains |
<li>If the <code>data</code> attribute value contains |
554 |
a string <code>]]></code>, then it is an |
a string <code>]]></code>, then raise an |
555 |
<a href="#xml-well-formedness-error" id=wfe-cs-mse><code>xml-well-formedness-error</code></a>.</li> |
<a href="#xml-well-formedness-error" id=wfe-cs-mse><code>xml-well-formedness-error</code></a>.<!-- "for compatibility" --></li> |
556 |
<li>If the <code>childNodes</code> list of <var>n</var> contains |
<li>If the <code>childNodes</code> list of <var>n</var> contains |
557 |
any nodes, they are in |
any nodes, they are in |
558 |
<a href="#xml-well-formedness-error" id=wfe-cs-child><code>xml-well-formedness-error</code></a>.</li> |
<a href="#xml-well-formedness-error" id=wfe-cs-child><code>xml-well-formedness-error</code></a>.</li> |
561 |
<dt>If <var>n</var> is a <code>Comment</code> node</dt> |
<dt>If <var>n</var> is a <code>Comment</code> node</dt> |
562 |
<dd> |
<dd> |
563 |
<ol> |
<ol> |
564 |
|
<li>Raise an |
565 |
|
<a href="#round-trip-warning" id=rtw-comment><code>round-trip-warning</code></a>.</li> |
566 |
<li><a href="#algorithm-to-validate-an-xml-character-data">Validate the |
<li><a href="#algorithm-to-validate-an-xml-character-data">Validate the |
567 |
<code>data</code> attribute value as an <abbr>XML</abbr> character |
<code>data</code> attribute value as an <abbr>XML</abbr> character |
568 |
data</a>.</li> |
data</a>.</li> |
569 |
<li>If the <code>data</code> attribute value contains |
<li>If the <code>data</code> attribute value contains |
570 |
a string <code>--</code>, or if it ends with a character |
a string <code>--</code>, or if it ends with a character |
571 |
<code>-</code>, then it is an |
<code>-</code>, then raise an |
572 |
<a href="#xml-well-formedness-error" id=wfe-comment-com><code>xml-well-formedness-error</code></a>.</li> |
<a href="#xml-well-formedness-error" id=wfe-comment-com><code>xml-well-formedness-error</code></a>.<!-- |
573 |
|
"for compatibility" --></li> |
574 |
<li>If the <code>childNodes</code> list of <var>n</var> contains |
<li>If the <code>childNodes</code> list of <var>n</var> contains |
575 |
any nodes, they are in |
any nodes, they are in |
576 |
<a href="#xml-well-formedness-error" id=wfe-comment-child><code>xml-well-formedness-error</code></a>.</li> |
<a href="#xml-well-formedness-error" id=wfe-comment-child><code>xml-well-formedness-error</code></a>.</li> |
632 |
<ol> |
<ol> |
633 |
<li><a href="#algorithm-to-validate-a-ncname">Validate the |
<li><a href="#algorithm-to-validate-a-ncname">Validate the |
634 |
<code>nodeName</code> attribute value as an <code>NCName</code></a>.</li> |
<code>nodeName</code> attribute value as an <code>NCName</code></a>.</li> |
635 |
|
<li>Follow the following substeps: |
636 |
|
<ol> |
637 |
|
<li>If <code>ownerDocument</code> attribute of <var>n</var> is |
638 |
|
<code>null</code>, then abort these substeps.</li> |
639 |
|
<li>If <code>documentElement</code> attribute of the node |
640 |
|
set to <code>ownerDocument</code> attribute of <var>n</var> is |
641 |
|
<code>null</code>, then abort these substeps.</li> |
642 |
|
<li>If <code>nodeName</code> attribute of the node set to |
643 |
|
<code>documentElement</code> attribute of the node set to |
644 |
|
<code>ownerDocument</code> attribute of <var>n</var> is |
645 |
|
different from <code>nodeName</code> of <var>n</var>, |
646 |
|
then raise an |
647 |
|
<a href="#xml-validity-error" id=vc-roottype><code>xml-validity-error</code></a>.</li></li> |
648 |
|
</ol> |
649 |
|
</li> |
650 |
<li><a href="#algorithm-to-validate-a-public-identifier" title="validate a public identifier">Validate |
<li><a href="#algorithm-to-validate-a-public-identifier" title="validate a public identifier">Validate |
651 |
the <code>publicId</code> attribute value as a public identifier</a>.</li> |
the <code>publicId</code> attribute value as a public identifier</a>.</li> |
652 |
<li>If the <code>systemId</code> attribute value contains |
<li>If the <code>systemId</code> attribute value contains |
653 |
both <code>"</code> and <code>'</code> characters, it is a |
both <code>"</code> and <code>'</code> characters, it is a |
654 |
<a href="#xml-well-formedness-error" id=wfe-dt-system-id><code>xml-well-formedness-error</code></a>.</li> |
<a href="#xml-well-formedness-error" id=wfe-dt-system-id><code>xml-well-formedness-error</code></a>.</li> |
655 |
|
<!-- @@ "It is an error for a fragment identifier (beginning with a # character) to be part of a system identifier." --> |
656 |
<!-- publicId = non-null and systemId = null --> |
<!-- publicId = non-null and systemId = null --> |
657 |
<li>For each node <dfn id=var-dt-nc><var>n<sub><var>c</var></sub></var></dfn> |
<li>For each node <dfn id=var-dt-nc><var>n<sub><var>c</var></sub></var></dfn> |
658 |
in the <code>childNodes</code> list of <var>n</var>, |
in the <code>childNodes</code> list of <var>n</var>, |
693 |
<a href="#algorithm-to-check-a-node" title="check a node">check |
<a href="#algorithm-to-check-a-node" title="check a node">check |
694 |
<var>n<sub><var>c</var></sub></var></a> recursively.</li> |
<var>n<sub><var>c</var></sub></var></a> recursively.</li> |
695 |
</ol></li> |
</ol></li> |
696 |
|
<li class=ed>@@ #elementvalid Validity constraint: Element Valid</li> |
697 |
|
<li class=ed>@@ #uniqattspec Well-formedness constraint: Unique Att Spec</li> |
698 |
|
<li class=ed>@@ #RequiredAttr Validity constraint: Required Attribute</li> |
699 |
</ol> |
</ol> |
700 |
</dd> |
</dd> |
701 |
<dt>If <var>n</var> is an <code>ElementTypeDefinition</code> node</dt> |
<dt>If <var>n</var> is an <code>ElementTypeDefinition</code> node</dt> |
705 |
<li>If the <code>childNodes</code> list of <var>n</var> contains |
<li>If the <code>childNodes</code> list of <var>n</var> contains |
706 |
any nodes, they are in |
any nodes, they are in |
707 |
<a href="#xml-well-formedness-error" id=wfe-et-child><code>xml-well-formedness-error</code></a>.</li> |
<a href="#xml-well-formedness-error" id=wfe-et-child><code>xml-well-formedness-error</code></a>.</li> |
708 |
|
<li class=ed>@@ <q cite="http://www.w3.org/TR/2006/REC-xml-20060816/#elemdecls">At user option, an XML processor MAY issue a warning when a declaration mentions an element type for which no declaration is provided, but this is not an error.</q></li> |
709 |
|
<li class=ed>@@ <q cite="http://www.w3.org/TR/2006/REC-xml-20060816/#sec-element-content">For compatibility, it is an error if the content model allows an element to match more than one occurrence of an element type in the content model. </q></li> |
710 |
|
<li class=ed>@@ #vc-MixedChildrenUnique |
711 |
|
Validity constraint: No Duplicate Types</li> |
712 |
|
<li class=ed>@@ <q cite="http://www.w3.org/TR/2006/REC-xml-20060816/#attdecls">At user option, an XML processor MAY issue a warning if attributes are declared for an element type not itself declared, but this is not an error.</q></li> |
713 |
|
<li>If there is more than one <code>AttributeDefinition</code> node |
714 |
|
with <span class=ed>attribute type <code>ID</code></span> in the |
715 |
|
<code>NamedNodeMap</code> list contained in the |
716 |
|
<code>attributeDefinitions</code> attribute of <var>n</var>, then raise an |
717 |
|
<a href="#xml-validity-error" id=vc-one-id-per-el><code>xml-validity-error</code></a>.</li> |
718 |
|
<li>If there is more than one <code>AttributeDefinition</code> node |
719 |
|
with <span class=ed>attribute type <code>NOTATION</code></span> in the |
720 |
|
<code>NamedNodeMap</code> list contained in the |
721 |
|
<code>attributeDefinitions</code> attribute of <var>n</var>, then raise an |
722 |
|
<a href="#xml-validity-error" id=vc-one-notation-per><code>xml-validity-error</code></a>.</li> |
723 |
|
<li class=ed>"For interoperability, the same Nmtoken SHOULD NOT occur more than once in the enumerated attribute types of a single element type."</li> |
724 |
</ol> |
</ol> |
725 |
</dd> |
</dd> |
726 |
<dt>If <var>n</var> is an <code>Entity</code> node</dt> |
<dt>If <var>n</var> is an <code>Entity</code> node</dt> |
736 |
<a href="#xml-well-formedness-error" id=wfe-dt-system-id><code>xml-well-formedness-error</code></a>.</li> |
<a href="#xml-well-formedness-error" id=wfe-dt-system-id><code>xml-well-formedness-error</code></a>.</li> |
737 |
<!-- publicId = non-null and systemId = null --> |
<!-- publicId = non-null and systemId = null --> |
738 |
<li class=ed>@@ <code>notationName</code></li> |
<li class=ed>@@ <code>notationName</code></li> |
739 |
|
<li class=ed>@@ #not-declared Validity constraint: Notation Declared</li> |
740 |
<li>For each node <dfn id=var-entity-nc><var>n<sub><var>c</var></sub></var></dfn> |
<li>For each node <dfn id=var-entity-nc><var>n<sub><var>c</var></sub></var></dfn> |
741 |
in the <code>childNodes</code> list of <var>n</var>, |
in the <code>childNodes</code> list of <var>n</var>, |
742 |
<ol> |
<ol> |
797 |
<dt>If <var>n</var> is a <code>ProcessingInstruction</code> node</dt> |
<dt>If <var>n</var> is a <code>ProcessingInstruction</code> node</dt> |
798 |
<dd> |
<dd> |
799 |
<ol> |
<ol> |
800 |
<li><a href="#algorithm-to-validate-a-ncname">Validate the |
<li>If the <code>target</code> attribute value matches to the string |
801 |
<code>target</code> attribute value as an <code>NCName</code></a>.</li> |
<code>xml</code> in any case combination, then raise a |
|
<li>If the <code>target</code> attribute value matches to |
|
|
<code>XML</code> case-insensitively, then it is a |
|
802 |
<a href="#xml-well-formedness-error" id=wfe-pi-xml><code>xml-well-formedness-error</code></a>.</li> |
<a href="#xml-well-formedness-error" id=wfe-pi-xml><code>xml-well-formedness-error</code></a>.</li> |
803 |
<li><a href="#algorithm-to-validate-an-xml-character-data">Validate the |
<li>Otherwise, <a href="#algorithm-to-validate-a-ncname">validate the |
804 |
<code>data</code> attribute value as an <abbr>XML</abbr> character |
<code>target</code> attribute value as an <code>NCName</code></a>.</li> |
805 |
|
<li>Then, |
806 |
|
<a href="#algorithm-to-validate-an-xml-character-data" title="validate an XML character data">validate |
807 |
|
the <code>data</code> attribute value as an <abbr>XML</abbr> character |
808 |
data</a>.</li> |
data</a>.</li> |
809 |
<li>If the <code>data</code> attribute value contains |
<li>If the <code>data</code> attribute value contains a string |
810 |
a string <code>?></code>, or starts with either |
<code>?></code>, then raise a |
811 |
<code class=char>U+0009</code>, <code class=char>U+000A</code>, |
<a href="#xml-well-formedness-error" id=wfe-pi-pic><code>xml-well-formedness-error</code></a>.</li> |
812 |
<code class=char>U+000D</code>, or <code class=char>U+0020</code> |
<li>If the <code>data</code> attribute value starts with either |
813 |
character, then it is a |
<code class=char>U+0009</code> <code class=charname>CHARACTER |
814 |
<a href="#round-trip-error" id=rte-pi-data><code>round-trip-error</code></a>.</li> |
TABULATION</code>, <code class=char>U+000A</code> <code class=charname>LINE |
815 |
|
FEED</code>, <code class=char>U+000D</code> <code class=charname>CARRIAGE |
816 |
|
RETURN</code>, or <code class=char>U+0020</code> |
817 |
|
<code class=charname>SPACE</code> character, then raise a |
818 |
|
<a href="#round-trip-error" id=rte-pi-s><code>round-trip-error</code></a>.</li> |
819 |
<li>If the <code>childNodes</code> list of <var>n</var> contains |
<li>If the <code>childNodes</code> list of <var>n</var> contains |
820 |
any nodes, they are in |
any nodes, then raise an |
821 |
<a href="#xml-well-formedness-error" id=wfe-pi-child><code>xml-well-formedness-error</code></a>.</li> |
<a href="#xml-well-formedness-error" id=wfe-pi-child><code>xml-well-formedness-error</code></a>.</li> |
822 |
</ol> |
</ol> |
823 |
</dd> |
</dd> |