html5/spec Overview.html,1.1534,1.1535

Update of /sources/public/html5/spec
In directory hutz:/tmp/cvs-serv4036

Modified Files:
	Overview.html 
Log Message:
WF2: Define title= on <input> with pattern=; clarify how validity states work with disabled controls. (whatwg r2362)

Index: Overview.html
===================================================================
RCS file: /sources/public/html5/spec/Overview.html,v
retrieving revision 1.1534
retrieving revision 1.1535
diff -u -d -r1.1534 -r1.1535
--- Overview.html	22 Oct 2008 14:03:05 -0000	1.1534
+++ Overview.html	23 Oct 2008 15:39:07 -0000	1.1535
@@ -8,7 +8,7 @@
    <p><a href=http://www.w3.org/><img alt=W3C height=48 src=http://www.w3.org/Icons/w3c_home width=72></a></p>
    <h1>HTML 5</h1>
    <h2 class="no-num no-toc" id=a-vocabulary-and-associated-apis-for-html-and-xhtml>A vocabulary and associated APIs for HTML and XHTML</h2>
-   <h2 class="no-num no-toc" id=editor-s-draft-date-zzz-9-june-2008><!-- "W3C Working Draft" --> Editor's Draft <!--ZZZ-->22 October 2008</h2>
+   <h2 class="no-num no-toc" id=editor-s-draft-date-zzz-9-june-2008><!-- "W3C Working Draft" --> Editor's Draft <!--ZZZ-->23 October 2008</h2>
    <dl><!-- ZZZ: update the month/day
     <dt>This Version:</dt>
     <dd><a href="http://www.w3.org/TR/2008/WD-html5-20080610/">http://www.w3.org/TR/2008/WD-html5-20080610/</a></dd>
@@ -97,7 +97,7 @@
   specification's progress along the W3C Recommendation
   track.
   <!--ZZZ:-->
-  This specification is the 22 October 2008 <!--ZZZ "Working Draft"-->Editor's Draft.
+  This specification is the 23 October 2008 <!--ZZZ "Working Draft"-->Editor's Draft.
   <!--:ZZZ-->
   </p><!-- UNDER NO CIRCUMSTANCES IS THE PRECEDING PARAGRAPH TO BE REMOVED OR EDITED WITHOUT TALKING TO IAN FIRST --><!-- relationship to other work (required) --><p>This specification is also being produced by the <a href=http://www.whatwg.org/>WHATWG</a>. The two specifications are
   identical from the table of contents onwards.</p><!-- UNDER NO CIRCUMSTANCES IS THE FOLLOWING PARAGRAPH TO BE REMOVED OR EDITED WITHOUT TALKING TO IAN FIRST --><!-- UNDER NO CIRCUMSTANCES IS THE PRECEDING PARAGRAPH TO BE REMOVED OR EDITED WITHOUT TALKING TO IAN FIRST --><!-- context and rationale (required) --><p>This specification is intended to replace (be a new version of)
@@ -5110,8 +5110,8 @@
   string indicates that the element has no advisory information.<p>If the <code title=attr-title><a href=#the-title-attribute>title</a></code> attribute's value
   contains U+000A LINE FEED (LF) characters, the content is split into
   multiple lines. Each U+000A LINE FEED (LF) character represents a
-  line break.<p>Some elements, such as <code><a href=#the-link-element>link</a></code> and <code><a href=#the-abbr-element>abbr</a></code>,
-  define additional semantics for the <code title=attr-title><a href=#the-title-attribute>title</a></code> attribute beyond the semantics
+  line break.<p>Some elements, such as <code><a href=#the-link-element>link</a></code>, <code><a href=#the-abbr-element>abbr</a></code>, and
+  <code><a href=#the-input-element>input</a></code>, define additional semantics for the <code title=attr-title><a href=#the-title-attribute>title</a></code> attribute beyond the semantics
   described above.<p>The <dfn id=dom-title title=dom-title><code>title</code></dfn> DOM attribute
   must <a href=#reflect>reflect</a> the <code title=attr-title><a href=#the-title-attribute>title</a></code>
   content attribute.<h5 id=the-lang-and-xml:lang-attributes><span class=secno>3.3.3.3 </span>The <dfn title=attr-lang><code>lang</code></dfn> and <dfn title=attr-xml-lang><code>xml:lang</code></dfn>
@@ -21069,7 +21069,34 @@
   except that the <code title=attr-input-pattern><a href=#attr-input-pattern>pattern</a></code>
   attribute must match the entire value, not just any subset (somewhat
   as if it implied a <code title="">^(?:</code> at the start of the
-  pattern and a <code title="">)$</code> at the end).<h6 id=the-min-and-max-attributes><span class=secno>4.10.4.2.8 </span>The <code title=attr-input-min><a href=#attr-input-min>min</a></code> and <code title=attr-input-max><a href=#attr-input-max>max</a></code> attributes</h6><p>The <dfn id=attr-input-min title=attr-input-min><code>min</code></dfn> and <dfn id=attr-input-max title=attr-input-max><code>max</code></dfn> attributes indicate
+  pattern and a <code title="">)$</code> at the end).<p>When an <code><a href=#the-input-element>input</a></code> element has a <code title=attr-input-pattern><a href=#attr-input-pattern>pattern</a></code> attribute specified,
+  authors should include a <code title=attr-title><a href=#the-title-attribute>title</a></code>
+  attribute to give a description of the pattern. User agents may use
+  the contents of this attribute, if it is present, when informing the
+  user that the pattern is not matched, or at any other suitable time,
+  such as in a tooltip or read out by assistive technology when the
+  control gains focus.<div class=example>
+   <p>For example, the following snippet:</p>
+   <pre>
+&lt;label&gt; Part number:
+ &lt;input pattern="[0-9][A-Z]{3}" name="part"
+        title="A part number is a digit followed by three uppercase letters."/&gt;
+&lt;/label&gt;
+</pre>
+   <p>...could cause the UA to display an alert such as:</p>
+   <pre><samp> part number is a digit followed by three uppercase letters.
+You cannot complete this form until the field is correct.</samp></pre>
+  </div><p>When a control has a <code>pattern</code> attribute, the
+  <code><a href=#the-title-element>title</a></code> attribute, if used, must describe the pattern.
+  Additional information could also be included, so long as it assists
+  the user in filling in the control. Otherwise, assistive technology
+  would be impaired.<p class=example>For instance, if the title attribute contained
+  the caption of the control, assistive technology could end up saying
+  something like <samp>The text you have entered does not match the
+  required pattern. Birthday</samp>, which is not useful.<p>UAs may still show the <code><a href=#the-title-element>title</a></code> in non-error situations
+  (for example, as a tooltip when hovering over the control), so
+  authors should be careful not to word <code><a href=#the-title-element>title</a></code>s as if an
+  error has necessarily occurred.<h6 id=the-min-and-max-attributes><span class=secno>4.10.4.2.8 </span>The <code title=attr-input-min><a href=#attr-input-min>min</a></code> and <code title=attr-input-max><a href=#attr-input-max>max</a></code> attributes</h6><p>The <dfn id=attr-input-min title=attr-input-min><code>min</code></dfn> and <dfn id=attr-input-max title=attr-input-max><code>max</code></dfn> attributes indicate
   the allowed range of values for the element.<p>Their syntax is defined by the section that defines the <code title=attr-input-type><a href=#attr-input-type>type</a></code> attribute's current state.<p>If the element has a <code title=attr-input-min><a href=#attr-input-min>min</a></code>
   attribute, and the result of applying the <a href=#concept-input-value-string-number title=concept-input-value-string-number>algorithm to convert a
   string to a number</a> to the value of the <code title=attr-input-min><a href=#attr-input-min>min</a></code> attribute is a a number, then that
@@ -22110,50 +22137,55 @@
   control.<p>An element can be constrained in various ways. The following is
   the list of <dfn id=validity-states>validity states</dfn> that a form control can be
   in, making the control invalid for the purposes of constraint
-  valiation:<dl><dt> <dfn id=suffering-from-being-missing>Suffering from being missing</dfn> </dt>
+  validation. (The definitions below are non-normative; other parts of
+  this specification define more precisely when each state applies or
+  does not.)<dl><dt> <dfn id=suffering-from-being-missing>Suffering from being missing</dfn> </dt>
 
-   <dd> <p>When a control has no <a href=#concept-fe-value title=concept-fe-value>value</a> but has a <code title="">required</code> attribute (<code><a href=#the-input-element>input</a></code> <code title=attr-input-required><a href=#attr-input-required>required</a></code>, <code><a href=#the-textarea-element>textarea</a></code>
+   <dd> <p class=note>When a control has no <a href=#concept-fe-value title=concept-fe-value>value</a> but has a <code title="">required</code> attribute (<code><a href=#the-input-element>input</a></code> <code title=attr-input-required><a href=#attr-input-required>required</a></code>, <code><a href=#the-textarea-element>textarea</a></code>
    <code title=attr-textarea-required><a href=#attr-textarea-required>required</a></code>). </dd>
 
    <dt> <dfn id=suffering-from-a-type-mismatch>Suffering from a type mismatch</dfn> </dt>
 
-   <dd> <p>When a control that allows arbitrary user input has a <a href=#concept-fe-value title=concept-fe-value>value</a> that is not in the correct
+   <dd> <p class=note>When a control that allows arbitrary user input has a <a href=#concept-fe-value title=concept-fe-value>value</a> that is not in the correct
    syntax (<a href=#e-mail-state title=attr-input-type-email>E-mail</a>, <a href=#url-state title=attr-input-type-url>URL</a>). </dd>
 
    <dt> <dfn id=suffering-from-a-pattern-mismatch>Suffering from a pattern mismatch</dfn> </dt>
 
-   <dd> <p>When a control has a <a href=#concept-fe-value title=concept-fe-value>value</a> that doesn't satisfy the
+   <dd> <p class=note>When a control has a <a href=#concept-fe-value title=concept-fe-value>value</a> that doesn't satisfy the
    <code title=attr-input-pattern><a href=#attr-input-pattern>pattern</a></code> attribute.</dd>
 
    <dt> <dfn id=suffering-from-being-too-long>Suffering from being too long</dfn> </dt>
 
-   <dd> <p>When a control has a <a href=#concept-fe-value title=concept-fe-value>value</a> that is too long for the
+   <dd> <p class=note>When a control has a <a href=#concept-fe-value title=concept-fe-value>value</a> that is too long for the
    <a href=#attr-fe-maxlength title=attr-fe-maxlength>form control <code title="">maxlength</code> attribute</a> (<code><a href=#the-input-element>input</a></code>
    <code title=attr-input-maxlength><a href=#attr-input-maxlength>maxlength</a></code>,
    <code><a href=#the-textarea-element>textarea</a></code> <code title=attr-textarea-maxlength><a href=#attr-textarea-maxlength>maxlength</a></code>). </dd>
 
    <dt> <dfn id=suffering-from-an-underflow>Suffering from an underflow</dfn> </dt>
 
-   <dd> <p>When a control has a <a href=#concept-fe-value title=concept-fe-value>value</a> that is too low for the <code title=attr-input-min><a href=#attr-input-min>min</a></code> attribute.</dd>
+   <dd> <p class=note>When a control has a <a href=#concept-fe-value title=concept-fe-value>value</a> that is too low for the <code title=attr-input-min><a href=#attr-input-min>min</a></code> attribute.</dd>
 
    <dt> <dfn id=suffering-from-an-overflow>Suffering from an overflow</dfn> </dt>
 
-   <dd> <p>When a control has a <a href=#concept-fe-value title=concept-fe-value>value</a> that is too high for the
+   <dd> <p class=note>When a control has a <a href=#concept-fe-value title=concept-fe-value>value</a> that is too high for the
    <code title=attr-input-max><a href=#attr-input-max>max</a></code> attribute.</dd>
 
    <dt> <dfn id=suffering-from-a-step-mismatch>Suffering from a step mismatch</dfn> </dt>
 
-   <dd> <p>When a control has a <a href=#concept-fe-value title=concept-fe-value>value</a> that doesn't fit the rules
+   <dd> <p class=note>When a control has a <a href=#concept-fe-value title=concept-fe-value>value</a> that doesn't fit the rules
    given by the <code title=attr-input-step><a href=#attr-input-step>step</a></code>
    attribute.</dd>
 
    <dt> <dfn id=suffering-from-a-custom-error>Suffering from a custom error</dfn> </dt>
 
-   <dd> <p>When a control's <a href=#custom-validity-error-message>custom validity error message</a>
+   <dd> <p class=note>When a control's <a href=#custom-validity-error-message>custom validity error message</a>
    (as set by the element's <code title=dom-cva-setCustomValidity><a href=#dom-cva-setcustomvalidity>setCustomValidity()</a></code>
    method) is not the empty string.</p> </dd>
 
-  </dl><p>An element <dfn id=concept-fv-valid title=concept-fv-valid>satisfies its
+  </dl><p class=note>An element can still suffer from these states even
+  when the element is <a href=#concept-fe-disabled title=concept-fe-disabled>disabled</a>; thus these states can
+  be represented in the DOM even if validating the form during
+  submission wouldn't indicate a problem to the user.<p>An element <dfn id=concept-fv-valid title=concept-fv-valid>satisfies its
   constraints</dfn> if it is not suffering from any of the above
   <a href=#validity-states>validity states</a>.<h5 id=constraint-validation><span class=secno>4.10.14.2 </span>Constraint validation</h5><p>When the user agent is required to <dfn id=statically-validate-the-constraints>statically validate the
   constraints</dfn> of <code><a href=#the-form-element>form</a></code> element <var title="">form</var>, it must run the following steps, which return

Received on Thursday, 23 October 2008 15:39:20 UTC