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Short URL: http://html5.org/r/2257

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2257WF2: <input type=checkbox> and significant fallout therefrom.2008-10-02 03:10
Index: source
===================================================================
--- source	(revision 2256)
+++ source	(revision 2257)
@@ -26084,6 +26084,29 @@
      <td class="no"> &middot; <!-- Button -->
 
     <tr>
+     <th> <code title="dom-input-value">value</code>
+     <td class="yes"> Yes <!-- Text -->
+     <td class="yes"> Yes <!-- E-mail -->
+     <td class="yes"> Yes <!-- URL -->
+     <td class="yes"> Yes <!-- Password -->
+     <td class="yes"> Yes <!-- Date and Time -->
+     <td class="yes"> Yes <!-- Date -->
+     <td class="yes"> Yes <!-- Month -->
+     <td class="yes"> Yes <!-- Week -->
+     <td class="yes"> Yes <!-- Time -->
+     <td class="yes"> Yes <!-- Local Date and Time -->
+     <td class="yes"> Yes <!-- Number -->
+     <td class="yes"> Yes <!-- Range -->
+     <td class="no"> &middot; <!-- Checkbox -->
+     <td class="no"> &middot; <!-- Radio Button -->
+     <td class="no"> &middot; <!-- File -->
+     <td class="no"> &middot; <!-- Hidden -->
+     <td class="no"> &middot; <!-- Submit Button -->
+     <td class="no"> &middot; <!-- Image Button -->
+     <td class="no"> &middot; <!-- Reset Button -->
+     <td class="no"> &middot; <!-- Button -->
+
+    <tr>
      <th> <code title="dom-input-valueAsNumber">valueAsNumber</code>
      <td class="no"> &middot; <!-- Text -->
      <td class="no"> &middot; <!-- E-mail -->
@@ -26228,17 +26251,83 @@
   <code title="dom-input-stepDown">stepDown()</code>.</p>
 
   <p>Each <code>input</code> element has a boolean <dfn
+  title="concept-input-value-dirty-flag">dirty value flag</dfn>. When
+  it is true, the element is said to have a <dfn
+  title="concept-input-value-dirty"><i>dirty value</i></dfn>. The
+  <span title="concept-input-value-dirty-flag">dirty value flag</span>
+  must be initially set to false when the element is created, and must
+  be set to true whenever the user interacts with the control in a way
+  that changes the <span title="concept-fe-value">value</span>.</p>
+
+  <p>The <dfn title="attr-input-value"><code>value</code></dfn>
+  content attribute gives the default <span
+  title="concept-fe-value">value</span> of the <code>input</code>
+  element. When the <code title="attr-input-value">value</code>
+  content attribute is added, set, or removed, if the control does not
+  have a <i title="concept-input-value-dirty">dirty value</i>, the
+  user agent must set the <span title="concept-fe-value">value</span>
+  of the element to the value of the <code
+  title="attr-input-value">value</code> content attribute, if there is
+  one, or the empty string otherwise, and run the <span>value
+  sanitization algorithm</span>.</p>
+
+  <p>Each <code>input</code> element has a <span
+  title="concept-fe-checked">checkedness</span>, which is exposed by
+  the <code title="dom-input-checked">checked</code> DOM
+  attribute.</p>
+
+  <p>Each <code>input</code> element has a boolean <dfn
+  title="concept-input-checked-dirty-flag">dirty checkedness
+  flag</dfn>. When it is true, the element is said to have a <dfn
+  title="concept-input-checked-dirty"><i>dirty
+  checkedness</i></dfn>. The <span
+  title="concept-input-checked-dirty-flag">dirty checkedness
+  flag</span> must be initially set to false when the element is
+  created, and must be set to true whenever the user interacts with
+  the control in a way that changes the <span
+  title="concept-fe-checked">checkedness</span>.</p>
+
+  <p>The <dfn title="attr-input-checked"><code>checked</code></dfn>
+  content attribute gives the default <span
+  title="concept-fe-checked">checkedness</span> of the
+  <code>input</code> element. When the <code
+  title="attr-input-checked">checked</code> content attribute is
+  added, if the control does not have <i
+  title="concept-input-value-dirty">dirty checkedness</i>, the user
+  agent must set the <span
+  title="concept-fe-checked">checkedness</span> of the element to
+  true; when the <code title="attr-input-checked">checked</code>
+  content attribute is removed, if the control does not have <i
+  title="concept-input-value-dirty">dirty checkedness</i>, the user
+  agent must set the <span
+  title="concept-fe-checked">checkedness</span> of the element to
+  false.</p>
+
+  <p>The <span title="concept-form-reset-control">reset
+  algorithm</span> for <code>input</code> elements is to set the <span
+  title="concept-input-value-dirty-flag">dirty value flag</span> and
+  <span title="concept-input-checked-dirty-flag">dirty checkedness
+  flag</span> back to false, set the <span
+  title="concept-fe-value">value</span> of the element to the value of
+  the <code title="attr-input-value">value</code> content attribute,
+  if there is one, or the empty string otherwise, set the <span
+  title="concept-fe-checked">checkedness</span> of the element to true
+  if the element has a <code title="attr-input-checked">checked</code>
+  content attribute and false if it does not, and then invoke the
+  <span>value sanitization algorithm</span> defined for the <code
+  title="attr-input-type">type</code> attribute's current state.</p>
+
+  <p>Each <code>input</code> element has a boolean <dfn
   title="concept-input-mutability">mutability flag</dfn>. When it is
   true, the element is said to be <dfn
   title="concept-input-mutable"><i>mutable</i></dfn>, and when it is
   false the element is <dfn
   title="concept-input-immutable"><i>immutable</i></dfn>. Unless
   otherwise specified, an <code>input</code> element is always <i
-  title="concept-input-mutable">mutable</i>. When an
-  <code>input</code> element is <i
-  title="concept-input-immutable">immutable</i>, the user agent should
-  not allow the user to modify the <span
-  title="concept-fe-value">value</span>.</p>
+  title="concept-input-mutable">mutable</i>. Unless otherwise
+  specified, the user agent should not allow the user to modify the
+  element's <span title="concept-fe-value">value</span> or <span
+  title="concept-fe-checked">checkedness</span>.</p>
 
   <p>When an <code>input</code> element is <span
   title="concept-fe-disabled">disabled</span>, it is <i
@@ -26251,43 +26340,10 @@
   this affect shadow trees in XBL2? -->
 
   <p class="note">The <code
-  title="attr-input-readonly">readonly</code> attribute can also make
-  an <code>input</code> element <i
+  title="attr-input-readonly">readonly</code> attribute can also in
+  some cases make an <code>input</code> element <i
   title="concept-input-immutable">immutable</i>.</p>
 
-  <p>Each <code>input</code> element has a boolean <dfn
-  title="concept-input-dirty-flag">dirty flag</dfn>. When it is true,
-  the element is said to be <dfn
-  title="concept-input-dirty"><i>dirty</i></dfn>.</p>
-
-  <p>The <span title="concept-input-dirty-flag">dirty flag</span> must
-  be initially set to false (not <i
-  title="concept-input-dirty">dirty</i>) when the element is created,
-  and must be set to true (<i title="concept-input-dirty">dirty</i>)
-  whenever the user interacts with the control in a way that changes
-  the <span title="concept-fe-value">value</span>.</p>
-
-  <p>The <dfn title="attr-input-value"><code>value</code></dfn>
-  content attribute gives the default <span
-  title="concept-fe-value">value</span> of the <code>input</code>
-  element. When the <code title="attr-input-value">value</code>
-  content attribute is added, set, or removed, if the control is not
-  <i title="concept-input-dirty">dirty</i>, the user agent must set
-  the <span title="concept-fe-value">value</span> of the element to
-  the value of the <code title="attr-input-value">value</code> content
-  attribute, if there is one, or the empty string otherwise, and run
-  the <span>value sanitization algorithm</span>.</p>
-
-  <p>The <span title="concept-form-reset-control">reset
-  algorithm</span> for <code>input</code> elements is to set the <span
-  title="concept-input-dirty-flag">dirty flag</span> back to false
-  (not <i title="concept-input-dirty">dirty</i>), set the <span
-  title="concept-fe-value">value</span> of the element to the value of
-  the <code title="attr-input-value">value</code> content attribute,
-  if there is one, or the empty string otherwise, and then invoke the
-  <span>value sanitization algorithm</span> defined for the <code
-  title="attr-input-type">type</code> attribute's current state.</p>
-
   <p>The <code title="attr-fae-form">form</code> attribute is used to
   explicitly associate the <code>input</code> element with its
   <span>form owner</span>. The <code title="attr-fe-name">name</code>
@@ -26362,7 +26418,7 @@
   follows:</strong> <span>Strip line breaks from the value</span>.</p>
 
   <p>The following common <code>input</code> element content
-  attributes, DOM attributes, and methods apply to the element:
+  attributes and DOM attributes apply to the element:
   <code title="attr-input-autocomplete">autocomplete</code>,
   <code title="attr-input-list">list</code>,
   <code title="attr-input-maxlength">maxlength</code>,
@@ -26370,30 +26426,31 @@
   <code title="attr-input-readonly">readonly</code>,
   <code title="attr-input-required">required</code>, and
   <code title="attr-input-size">size</code> content attributes;
-  <code title="dom-input-list">list</code>, and
-  <code title="dom-input-selectedOption">selectedOption</code> DOM attributes.
+  <code title="dom-input-list">list</code>,
+  <code title="dom-input-selectedOption">selectedOption</code>, and
+  <code title="dom-input-value">value</code> DOM attributes.
 
   <p>The following content attributes must not be specified and do not
   apply to the element:
   <code class="no-backref" title="attr-input-accept">accept</code>,
+  <code class="no-backref" title="attr-fs-action">action</code>,
   <code class="no-backref" title="attr-input-alt">alt</code>,
   <code class="no-backref" title="attr-input-checked">checked</code>,
+  <code class="no-backref" title="attr-fs-enctype">enctype</code>,
   <code class="no-backref" title="attr-input-max">max</code>,
+  <code class="no-backref" title="attr-fs-method">method</code>,
   <code class="no-backref" title="attr-input-min">min</code>,
   <code class="no-backref" title="attr-input-src">src</code>,
-  <code class="no-backref" title="attr-input-step">step</code>,
-  <code class="no-backref" title="attr-fs-target">target</code>,
-  <code class="no-backref" title="attr-fs-method">method</code>,
-  <code class="no-backref" title="attr-fs-enctype">enctype</code>, and
-  <code class="no-backref" title="attr-fs-action">action</code>.</p>
+  <code class="no-backref" title="attr-input-step">step</code>, and
+  <code class="no-backref" title="attr-fs-target">target</code>.</p>
 
   <p>The following DOM attributes and methods do not apply to the
   element:
   <code class="no-backref" title="dom-input-checked">checked</code>,
-  <code class="no-backref" title="dom-input-valueAsDate">valueAsDate</code>,
-  <code class="no-backref" title="dom-input-valueAsNumber">valueAsNumber</code>,
+  <code class="no-backref" title="dom-input-valueAsDate">valueAsDate</code>, and
+  <code class="no-backref" title="dom-input-valueAsNumber">valueAsNumber</code> DOM attributes
   <code class="no-backref" title="dom-input-stepUp">stepUp()</code>, and
-  <code class="no-backref" title="dom-input-stepDown">stepDown()</code>.</p>
+  <code class="no-backref" title="dom-input-stepDown">stepDown()</code> methods.</p>
 
 
 
@@ -26432,7 +26489,7 @@
   href="#refsRFC2822">[RFC2822]</a></p>
 
   <p>The following common <code>input</code> element content
-  attributes, DOM attributes, and methods apply to the element:
+  attributes and DOM attributes apply to the element:
   <code title="attr-input-autocomplete">autocomplete</code>,
   <code title="attr-input-list">list</code>,
   <code title="attr-input-maxlength">maxlength</code>,
@@ -26440,30 +26497,31 @@
   <code title="attr-input-readonly">readonly</code>,
   <code title="attr-input-required">required</code>, and
   <code title="attr-input-size">size</code> content attributes;
-  <code title="dom-input-list">list</code>, and
-  <code title="dom-input-selectedOption">selectedOption</code> DOM attributes.
+  <code title="dom-input-list">list</code>,
+  <code title="dom-input-selectedOption">selectedOption</code>, and
+  <code title="dom-input-value">value</code> DOM attributes.
 
   <p>The following content attributes must not be specified and do not
   apply to the element:
   <code class="no-backref" title="attr-input-accept">accept</code>,
+  <code class="no-backref" title="attr-fs-action">action</code>,
   <code class="no-backref" title="attr-input-alt">alt</code>,
   <code class="no-backref" title="attr-input-checked">checked</code>,
+  <code class="no-backref" title="attr-fs-enctype">enctype</code>,
   <code class="no-backref" title="attr-input-max">max</code>,
+  <code class="no-backref" title="attr-fs-method">method</code>,
   <code class="no-backref" title="attr-input-min">min</code>,
   <code class="no-backref" title="attr-input-src">src</code>,
-  <code class="no-backref" title="attr-input-step">step</code>,
-  <code class="no-backref" title="attr-fs-target">target</code>,
-  <code class="no-backref" title="attr-fs-method">method</code>,
-  <code class="no-backref" title="attr-fs-enctype">enctype</code>, and
-  <code class="no-backref" title="attr-fs-action">action</code>.</p>
+  <code class="no-backref" title="attr-input-step">step</code>, and
+  <code class="no-backref" title="attr-fs-target">target</code>.</p>
 
   <p>The following DOM attributes and methods do not apply to the
   element:
   <code class="no-backref" title="dom-input-checked">checked</code>,
-  <code class="no-backref" title="dom-input-valueAsDate">valueAsDate</code>,
-  <code class="no-backref" title="dom-input-valueAsNumber">valueAsNumber</code>,
+  <code class="no-backref" title="dom-input-valueAsDate">valueAsDate</code>, and
+  <code class="no-backref" title="dom-input-valueAsNumber">valueAsNumber</code> DOM attributes;
   <code class="no-backref" title="dom-input-stepUp">stepUp()</code>, and
-  <code class="no-backref" title="dom-input-stepDown">stepDown()</code>.</p>
+  <code class="no-backref" title="dom-input-stepDown">stepDown()</code> methods.</p>
 
 
 
@@ -26498,7 +26556,7 @@
   mismatch</span>.</p>
 
   <p>The following common <code>input</code> element content
-  attributes, DOM attributes, and methods apply to the element:
+  attributes and DOM attributes apply to the element:
   <code title="attr-input-autocomplete">autocomplete</code>,
   <code title="attr-input-list">list</code>,
   <code title="attr-input-maxlength">maxlength</code>,
@@ -26506,30 +26564,31 @@
   <code title="attr-input-readonly">readonly</code>,
   <code title="attr-input-required">required</code>, and
   <code title="attr-input-size">size</code> content attributes;
-  <code title="dom-input-list">list</code>, and
-  <code title="dom-input-selectedOption">selectedOption</code> DOM attributes.
+  <code title="dom-input-list">list</code>,
+  <code title="dom-input-selectedOption">selectedOption</code>, and
+  <code title="dom-input-value">value</code> DOM attributes.
 
   <p>The following content attributes must not be specified and do not
   apply to the element:
   <code class="no-backref" title="attr-input-accept">accept</code>,
+  <code class="no-backref" title="attr-fs-action">action</code>,
   <code class="no-backref" title="attr-input-alt">alt</code>,
   <code class="no-backref" title="attr-input-checked">checked</code>,
+  <code class="no-backref" title="attr-fs-enctype">enctype</code>,
   <code class="no-backref" title="attr-input-max">max</code>,
+  <code class="no-backref" title="attr-fs-method">method</code>,
   <code class="no-backref" title="attr-input-min">min</code>,
   <code class="no-backref" title="attr-input-src">src</code>,
-  <code class="no-backref" title="attr-input-step">step</code>,
-  <code class="no-backref" title="attr-fs-target">target</code>,
-  <code class="no-backref" title="attr-fs-method">method</code>,
-  <code class="no-backref" title="attr-fs-enctype">enctype</code>, and
-  <code class="no-backref" title="attr-fs-action">action</code>.</p>
+  <code class="no-backref" title="attr-input-step">step</code>, and
+  <code class="no-backref" title="attr-fs-target">target</code>.</p>
 
   <p>The following DOM attributes and methods do not apply to the
   element:
   <code class="no-backref" title="dom-input-checked">checked</code>,
-  <code class="no-backref" title="dom-input-valueAsDate">valueAsDate</code>,
-  <code class="no-backref" title="dom-input-valueAsNumber">valueAsNumber</code>,
+  <code class="no-backref" title="dom-input-valueAsDate">valueAsDate</code>, and
+  <code class="no-backref" title="dom-input-valueAsNumber">valueAsNumber</code> DOM attributes;
   <code class="no-backref" title="dom-input-stepUp">stepUp()</code>, and
-  <code class="no-backref" title="dom-input-stepDown">stepDown()</code>.</p>
+  <code class="no-backref" title="dom-input-stepDown">stepDown()</code> methods.</p>
 
 
 
@@ -26555,38 +26614,39 @@
   follows:</strong> <span>Strip line breaks from the value</span>.</p>
 
   <p>The following common <code>input</code> element content
-  attributes apply to the element:
+  attributes and DOM attributes apply to the element:
   <code title="attr-input-autocomplete">autocomplete</code>,
   <code title="attr-input-maxlength">maxlength</code>,
   <code title="attr-input-pattern">pattern</code>,
   <code title="attr-input-readonly">readonly</code>,
   <code title="attr-input-required">required</code>, and
-  <code title="attr-input-size">size</code>.
+  <code title="attr-input-size">size</code> content attributes;
+  <code title="attr-input-value">value</code> DOM attribute.</p>
 
   <p>The following content attributes must not be specified and do not
   apply to the element:
   <code class="no-backref" title="attr-input-accept">accept</code>,
+  <code class="no-backref" title="attr-fs-action">action</code>,
   <code class="no-backref" title="attr-input-alt">alt</code>,
   <code class="no-backref" title="attr-input-checked">checked</code>,
+  <code class="no-backref" title="attr-fs-enctype">enctype</code>,
   <code class="no-backref" title="attr-input-list">list</code>,
   <code class="no-backref" title="attr-input-max">max</code>,
+  <code class="no-backref" title="attr-fs-method">method</code>,
   <code class="no-backref" title="attr-input-min">min</code>,
   <code class="no-backref" title="attr-input-src">src</code>,
-  <code class="no-backref" title="attr-input-step">step</code>,
-  <code class="no-backref" title="attr-fs-target">target</code>,
-  <code class="no-backref" title="attr-fs-method">method</code>,
-  <code class="no-backref" title="attr-fs-enctype">enctype</code>, and
-  <code class="no-backref" title="attr-fs-action">action</code>.</p>
+  <code class="no-backref" title="attr-input-step">step</code>, and
+  <code class="no-backref" title="attr-fs-target">target</code>.</p>
 
   <p>The following DOM attributes and methods do not apply to the
   element:
   <code class="no-backref" title="dom-input-checked">checked</code>,
   <code class="no-backref" title="dom-input-list">list</code>,
   <code class="no-backref" title="dom-input-selectedOption">selectedOption</code>,
-  <code class="no-backref" title="dom-input-valueAsDate">valueAsDate</code>,
-  <code class="no-backref" title="dom-input-valueAsNumber">valueAsNumber</code>,
+  <code class="no-backref" title="dom-input-valueAsDate">valueAsDate</code>, and
+  <code class="no-backref" title="dom-input-valueAsNumber">valueAsNumber</code> DOM attributes;
   <code class="no-backref" title="dom-input-stepUp">stepUp()</code>, and
-  <code class="no-backref" title="dom-input-stepDown">stepDown()</code>.</p>
+  <code class="no-backref" title="dom-input-stepDown">stepDown()</code> methods.</p>
 
 
 
@@ -26693,25 +26753,26 @@
   <code title="attr-input-required">required</code>, and
   <code title="attr-input-step">step</code> content attributes;
   <code title="dom-input-list">list</code>,
+  <code title="dom-input-value">value</code>,
   <code title="dom-input-valueAsDate">valueAsDate</code>,
-  <code title="dom-input-valueAsNumber">valueAsNumber</code>,
-  <code title="dom-input-selectedOption">selectedOption</code>,
+  <code title="dom-input-valueAsNumber">valueAsNumber</code>, and
+  <code title="dom-input-selectedOption">selectedOption</code> DOM attributes;
   <code title="dom-input-stepUp">stepUp()</code>, and
-  <code title="dom-input-stepDown">stepDown()</code> DOM attributes.</p>
+  <code title="dom-input-stepDown">stepDown()</code> methods.</p>
 
   <p>The following content attributes must not be specified and do not
   apply to the element:
   <code class="no-backref" title="attr-input-accept">accept</code>,
   <code class="no-backref" title="attr-input-alt">alt</code>,
+  <code class="no-backref" title="attr-fs-action">action</code>,
   <code class="no-backref" title="attr-input-checked">checked</code>,
+  <code class="no-backref" title="attr-fs-enctype">enctype</code>,
   <code class="no-backref" title="attr-input-maxlength">maxlength</code>,
+  <code class="no-backref" title="attr-fs-method">method</code>,
   <code class="no-backref" title="attr-input-pattern">pattern</code>,
   <code class="no-backref" title="attr-input-size">size</code>,
-  <code class="no-backref" title="attr-input-src">src</code>,
-  <code class="no-backref" title="attr-fs-target">target</code>,
-  <code class="no-backref" title="attr-fs-method">method</code>,
-  <code class="no-backref" title="attr-fs-enctype">enctype</code>, and
-  <code class="no-backref" title="attr-fs-action">action</code>.</p>
+  <code class="no-backref" title="attr-input-src">src</code>, and
+  <code class="no-backref" title="attr-fs-target">target</code>.</p>
 
   <p>The
   <code class="no-backref" title="dom-input-checked">checked</code>
@@ -26818,25 +26879,26 @@
   <code title="attr-input-required">required</code>, and
   <code title="attr-input-step">step</code> content attributes;
   <code title="dom-input-list">list</code>,
+  <code title="dom-input-value">value</code>,
   <code title="dom-input-valueAsDate">valueAsDate</code>,
-  <code title="dom-input-valueAsNumber">valueAsNumber</code>,
-  <code title="dom-input-selectedOption">selectedOption</code>,
+  <code title="dom-input-valueAsNumber">valueAsNumber</code>, and
+  <code title="dom-input-selectedOption">selectedOption</code> DOM attributes;
   <code title="dom-input-stepUp">stepUp()</code>, and
-  <code title="dom-input-stepDown">stepDown()</code> DOM attributes.</p>
+  <code title="dom-input-stepDown">stepDown()</code> methods.</p>
 
   <p>The following content attributes must not be specified and do not
   apply to the element:
   <code class="no-backref" title="attr-input-accept">accept</code>,
+  <code class="no-backref" title="attr-fs-action">action</code>,
   <code class="no-backref" title="attr-input-alt">alt</code>,
   <code class="no-backref" title="attr-input-checked">checked</code>,
+  <code class="no-backref" title="attr-fs-enctype">enctype</code>,
   <code class="no-backref" title="attr-input-maxlength">maxlength</code>,
+  <code class="no-backref" title="attr-fs-method">method</code>,
   <code class="no-backref" title="attr-input-pattern">pattern</code>,
   <code class="no-backref" title="attr-input-size">size</code>,
-  <code class="no-backref" title="attr-input-src">src</code>,
-  <code class="no-backref" title="attr-fs-target">target</code>,
-  <code class="no-backref" title="attr-fs-method">method</code>,
-  <code class="no-backref" title="attr-fs-enctype">enctype</code>, and
-  <code class="no-backref" title="attr-fs-action">action</code>.</p>
+  <code class="no-backref" title="attr-input-src">src</code>, and
+  <code class="no-backref" title="attr-fs-target">target</code>.</p>
 
   <p>The
   <code class="no-backref" title="dom-input-checked">checked</code>
@@ -26945,25 +27007,26 @@
   <code title="attr-input-required">required</code>, and
   <code title="attr-input-step">step</code> content attributes;
   <code title="dom-input-list">list</code>,
+  <code title="dom-input-value">value</code>,
   <code title="dom-input-valueAsDate">valueAsDate</code>,
-  <code title="dom-input-valueAsNumber">valueAsNumber</code>,
-  <code title="dom-input-selectedOption">selectedOption</code>,
+  <code title="dom-input-valueAsNumber">valueAsNumber</code>, and
+  <code title="dom-input-selectedOption">selectedOption</code> DOM attributes;
   <code title="dom-input-stepUp">stepUp()</code>, and
-  <code title="dom-input-stepDown">stepDown()</code> DOM attributes.</p>
+  <code title="dom-input-stepDown">stepDown()</code> methods.</p>
 
   <p>The following content attributes must not be specified and do not
   apply to the element:
   <code class="no-backref" title="attr-input-accept">accept</code>,
+  <code class="no-backref" title="attr-fs-action">action</code>,
   <code class="no-backref" title="attr-input-alt">alt</code>,
   <code class="no-backref" title="attr-input-checked">checked</code>,
+  <code class="no-backref" title="attr-fs-enctype">enctype</code>,
   <code class="no-backref" title="attr-input-maxlength">maxlength</code>,
+  <code class="no-backref" title="attr-fs-method">method</code>,
   <code class="no-backref" title="attr-input-pattern">pattern</code>,
   <code class="no-backref" title="attr-input-size">size</code>,
-  <code class="no-backref" title="attr-input-src">src</code>,
-  <code class="no-backref" title="attr-fs-target">target</code>,
-  <code class="no-backref" title="attr-fs-method">method</code>,
-  <code class="no-backref" title="attr-fs-enctype">enctype</code>, and
-  <code class="no-backref" title="attr-fs-action">action</code>.</p>
+  <code class="no-backref" title="attr-input-src">src</code>, and
+  <code class="no-backref" title="attr-fs-target">target</code>.</p>
 
   <p>The
   <code class="no-backref" title="dom-input-checked">checked</code>
@@ -27071,25 +27134,26 @@
   <code title="attr-input-required">required</code>, and
   <code title="attr-input-step">step</code> content attributes;
   <code title="dom-input-list">list</code>,
+  <code title="dom-input-value">value</code>,
   <code title="dom-input-valueAsDate">valueAsDate</code>,
-  <code title="dom-input-valueAsNumber">valueAsNumber</code>,
-  <code title="dom-input-selectedOption">selectedOption</code>,
+  <code title="dom-input-valueAsNumber">valueAsNumber</code>, and
+  <code title="dom-input-selectedOption">selectedOption</code> DOM attributes;
   <code title="dom-input-stepUp">stepUp()</code>, and
-  <code title="dom-input-stepDown">stepDown()</code> DOM attributes.</p>
+  <code title="dom-input-stepDown">stepDown()</code> methods.</p>
 
   <p>The following content attributes must not be specified and do not
   apply to the element:
   <code class="no-backref" title="attr-input-accept">accept</code>,
+  <code class="no-backref" title="attr-fs-action">action</code>,
   <code class="no-backref" title="attr-input-alt">alt</code>,
   <code class="no-backref" title="attr-input-checked">checked</code>,
+  <code class="no-backref" title="attr-fs-enctype">enctype</code>,
   <code class="no-backref" title="attr-input-maxlength">maxlength</code>,
+  <code class="no-backref" title="attr-fs-method">method</code>,
   <code class="no-backref" title="attr-input-pattern">pattern</code>,
   <code class="no-backref" title="attr-input-size">size</code>,
-  <code class="no-backref" title="attr-input-src">src</code>,
-  <code class="no-backref" title="attr-fs-target">target</code>,
-  <code class="no-backref" title="attr-fs-method">method</code>,
-  <code class="no-backref" title="attr-fs-enctype">enctype</code>, and
-  <code class="no-backref" title="attr-fs-action">action</code>.</p>
+  <code class="no-backref" title="attr-input-src">src</code>, and
+  <code class="no-backref" title="attr-fs-target">target</code>.</p>
 
   <p>The
   <code class="no-backref" title="dom-input-checked">checked</code>
@@ -27192,25 +27256,26 @@
   <code title="attr-input-required">required</code>, and
   <code title="attr-input-step">step</code> content attributes;
   <code title="dom-input-list">list</code>,
+  <code title="dom-input-value">value</code>,
   <code title="dom-input-valueAsDate">valueAsDate</code>,
-  <code title="dom-input-valueAsNumber">valueAsNumber</code>,
-  <code title="dom-input-selectedOption">selectedOption</code>,
+  <code title="dom-input-valueAsNumber">valueAsNumber</code>, and
+  <code title="dom-input-selectedOption">selectedOption</code> DOM attributes;
   <code title="dom-input-stepUp">stepUp()</code>, and
-  <code title="dom-input-stepDown">stepDown()</code> DOM attributes.</p>
+  <code title="dom-input-stepDown">stepDown()</code> methods.</p>
 
   <p>The following content attributes must not be specified and do not
   apply to the element:
   <code class="no-backref" title="attr-input-accept">accept</code>,
+  <code class="no-backref" title="attr-fs-action">action</code>,
   <code class="no-backref" title="attr-input-alt">alt</code>,
   <code class="no-backref" title="attr-input-checked">checked</code>,
+  <code class="no-backref" title="attr-fs-enctype">enctype</code>,
   <code class="no-backref" title="attr-input-maxlength">maxlength</code>,
+  <code class="no-backref" title="attr-fs-method">method</code>,
   <code class="no-backref" title="attr-input-pattern">pattern</code>,
   <code class="no-backref" title="attr-input-size">size</code>,
-  <code class="no-backref" title="attr-input-src">src</code>,
-  <code class="no-backref" title="attr-fs-target">target</code>,
-  <code class="no-backref" title="attr-fs-method">method</code>,
-  <code class="no-backref" title="attr-fs-enctype">enctype</code>, and
-  <code class="no-backref" title="attr-fs-action">action</code>.</p>
+  <code class="no-backref" title="attr-input-src">src</code>, and
+  <code class="no-backref" title="attr-fs-target">target</code>.</p>
 
   <p>The
   <code class="no-backref" title="dom-input-checked">checked</code>
@@ -27301,24 +27366,25 @@
   <code title="attr-input-required">required</code>, and
   <code title="attr-input-step">step</code> content attributes;
   <code title="dom-input-list">list</code>,
-  <code title="dom-input-valueAsNumber">valueAsNumber</code>,
-  <code title="dom-input-selectedOption">selectedOption</code>,
+  <code title="dom-input-value">value</code>,
+  <code title="dom-input-valueAsNumber">valueAsNumber</code>, and
+  <code title="dom-input-selectedOption">selectedOption</code> DOM attributes;
   <code title="dom-input-stepUp">stepUp()</code>, and
-  <code title="dom-input-stepDown">stepDown()</code> DOM attributes.</p>
+  <code title="dom-input-stepDown">stepDown()</code> methods.</p>
 
   <p>The following content attributes must not be specified and do not
   apply to the element:
   <code class="no-backref" title="attr-input-accept">accept</code>,
+  <code class="no-backref" title="attr-fs-action">action</code>,
   <code class="no-backref" title="attr-input-alt">alt</code>,
   <code class="no-backref" title="attr-input-checked">checked</code>,
+  <code class="no-backref" title="attr-fs-enctype">enctype</code>,
   <code class="no-backref" title="attr-input-maxlength">maxlength</code>,
+  <code class="no-backref" title="attr-fs-method">method</code>,
   <code class="no-backref" title="attr-input-pattern">pattern</code>,
   <code class="no-backref" title="attr-input-size">size</code>,
-  <code class="no-backref" title="attr-input-src">src</code>,
-  <code class="no-backref" title="attr-fs-target">target</code>,
-  <code class="no-backref" title="attr-fs-method">method</code>,
-  <code class="no-backref" title="attr-fs-enctype">enctype</code>, and
-  <code class="no-backref" title="attr-fs-action">action</code>.</p>
+  <code class="no-backref" title="attr-input-src">src</code>, and
+  <code class="no-backref" title="attr-fs-target">target</code>.</p>
 
   <p>The following DOM attributes do not apply to the element:
   <code class="no-backref" title="dom-input-valueAsDate">valueAsDate</code> and
@@ -27398,24 +27464,25 @@
   <code title="attr-input-required">required</code>, and
   <code title="attr-input-step">step</code> content attributes;
   <code title="dom-input-list">list</code>,
-  <code title="dom-input-valueAsNumber">valueAsNumber</code>,
-  <code title="dom-input-selectedOption">selectedOption</code>,
+  <code title="dom-input-value">value</code>,
+  <code title="dom-input-valueAsNumber">valueAsNumber</code>, and
+  <code title="dom-input-selectedOption">selectedOption</code> DOM attributes;
   <code title="dom-input-stepUp">stepUp()</code>, and
-  <code title="dom-input-stepDown">stepDown()</code> DOM attributes.</p>
+  <code title="dom-input-stepDown">stepDown()</code> methods.</p>
 
   <p>The following content attributes must not be specified and do not
   apply to the element:
   <code class="no-backref" title="attr-input-accept">accept</code>,
+  <code class="no-backref" title="attr-fs-action">action</code>,
   <code class="no-backref" title="attr-input-alt">alt</code>,
   <code class="no-backref" title="attr-input-checked">checked</code>,
+  <code class="no-backref" title="attr-fs-enctype">enctype</code>,
   <code class="no-backref" title="attr-input-maxlength">maxlength</code>,
+  <code class="no-backref" title="attr-fs-method">method</code>,
   <code class="no-backref" title="attr-input-pattern">pattern</code>,
   <code class="no-backref" title="attr-input-size">size</code>,
-  <code class="no-backref" title="attr-input-src">src</code>,
-  <code class="no-backref" title="attr-fs-target">target</code>,
-  <code class="no-backref" title="attr-fs-method">method</code>,
-  <code class="no-backref" title="attr-fs-enctype">enctype</code>, and
-  <code class="no-backref" title="attr-fs-action">action</code>.</p>
+  <code class="no-backref" title="attr-input-src">src</code>, and
+  <code class="no-backref" title="attr-fs-target">target</code>.</p>
 
   <p>The following DOM attributes do not apply to the element:
   <code class="no-backref" title="dom-input-valueAsDate">valueAsDate</code> and
@@ -27535,24 +27602,25 @@
   <code title="attr-input-required">required</code>, and
   <code title="attr-input-step">step</code> content attributes;
   <code title="dom-input-list">list</code>,
-  <code title="dom-input-valueAsNumber">valueAsNumber</code>,
-  <code title="dom-input-selectedOption">selectedOption</code>,
+  <code title="dom-input-value">value</code>,
+  <code title="dom-input-valueAsNumber">valueAsNumber</code>, and
+  <code title="dom-input-selectedOption">selectedOption</code> DOM attributes;
   <code title="dom-input-stepUp">stepUp()</code>, and
-  <code title="dom-input-stepDown">stepDown()</code> DOM attributes.</p>
+  <code title="dom-input-stepDown">stepDown()</code> methods.</p>
 
   <p>The following content attributes must not be specified and do not
   apply to the element:
   <code class="no-backref" title="attr-input-accept">accept</code>,
+  <code class="no-backref" title="attr-fs-action">action</code>,
   <code class="no-backref" title="attr-input-alt">alt</code>,
   <code class="no-backref" title="attr-input-checked">checked</code>,
+  <code class="no-backref" title="attr-fs-enctype">enctype</code>,
   <code class="no-backref" title="attr-input-maxlength">maxlength</code>,
+  <code class="no-backref" title="attr-fs-method">method</code>,
   <code class="no-backref" title="attr-input-pattern">pattern</code>,
   <code class="no-backref" title="attr-input-size">size</code>,
-  <code class="no-backref" title="attr-input-src">src</code>,
-  <code class="no-backref" title="attr-fs-target">target</code>,
-  <code class="no-backref" title="attr-fs-method">method</code>,
-  <code class="no-backref" title="attr-fs-enctype">enctype</code>, and
-  <code class="no-backref" title="attr-fs-action">action</code>.</p>
+  <code class="no-backref" title="attr-input-src">src</code>, and
+  <code class="no-backref" title="attr-fs-target">target</code>.</p>
 
   <p>The following DOM attributes do not apply to the element:
   <code class="no-backref" title="dom-input-valueAsDate">valueAsDate</code> and
@@ -27567,12 +27635,56 @@
   title="attr-input-type-checkbox">Checkbox</span> state, the rules in
   this section apply.</p>
 
-  <p class="big-issue">...</p>
+  <p>The <code>input</code> element represents a two-state control
+  that represents the element's <span
+  title="concept-fe-checked">checkedness</span> state. If the
+  element's <span title="concept-fe-checked">checkedness</span> state
+  is true, the control represents a positive selection, and if it is
+  false, a negative selection.</p>
 
-  <p class="big-issue">... <dfn title="concept-input-checked-checkbox">checked</dfn></p>
+  <p>If the element is <i title="concept-input-mutable">mutable</i>,
+  the user should allow the user to toggle the <span
+  title="concept-input-checked">checkedness</span> state.</p>
 
+  <p><strong>The <span>value sanitization algorithm</span> is as
+  follows:</strong> Do nothing.</p>
 
+  <p>The following common <code>input</code> element content
+  attributes and DOM attributes apply to the element:
+  <code title="attr-input-autocomplete">autocomplete</code>,
+  <code title="attr-input-checked">checked</code>, and
+  <code title="attr-input-required">required</code> content attributes;
+  <code class="no-backref" title="dom-input-checked">checked</code> DOM attribute.</p>
 
+  <p>The following content attributes must not be specified and do not
+  apply to the element:
+  <code class="no-backref" title="attr-input-accept">accept</code>,
+  <code class="no-backref" title="attr-fs-action">action</code>,
+  <code class="no-backref" title="attr-input-alt">alt</code>,
+  <code class="no-backref" title="attr-fs-enctype">enctype</code>,
+  <code class="no-backref" title="attr-input-list">list</code>,
+  <code class="no-backref" title="attr-input-max">max</code>,
+  <code class="no-backref" title="attr-input-maxlength">maxlength</code>,
+  <code class="no-backref" title="attr-fs-method">method</code>,
+  <code class="no-backref" title="attr-input-min">min</code>,
+  <code class="no-backref" title="attr-input-pattern">pattern</code>,
+  <code class="no-backref" title="attr-input-readonly">readonly</code>,
+  <code class="no-backref" title="attr-input-size">size</code>,
+  <code class="no-backref" title="attr-input-src">src</code>,
+  <code class="no-backref" title="attr-input-step">step</code>, and
+  <code class="no-backref" title="attr-fs-target">target</code>.</p>
+
+  <p>The following DOM attributes and methods do not apply to the element:
+  <code class="no-backref" title="dom-input-list">list</code>,
+  <code class="no-backref" title="dom-input-selectedOption">selectedOption</code>,
+  <code class="no-backref" title="dom-input-value">value</code>,
+  <code class="no-backref" title="dom-input-valueAsDate">valueAsDate</code> and
+  <code class="no-backref" title="dom-input-valueAsNumber">valueAsNumber</code> DOM attributes;
+  <code class="no-backref" title="dom-input-stepDown">stepDown()</code> and
+  <code class="no-backref" title="dom-input-stepUp">stepUp()</code> methods.</p>
+
+
+
   <h6><dfn title="attr-input-type-radio">Radio Button</dfn> state</h6>
 
   <p>When an <code>input</code> element's <code
@@ -27582,10 +27694,8 @@
 
   <p class="big-issue">...</p>
 
-  <p class="big-issue">... <dfn title="concept-input-checked-radio">checked</dfn></p>
 
 
-
   <h6><dfn title="attr-input-type-file">File</dfn> state</h6>
 
   <p>When an <code>input</code> element's <code
@@ -27826,9 +27936,9 @@
   allowed value length</span>.</p>
 
   <p><strong>Constraint validation:</strong> If an <code>input</code>
-  element has a <span>maximum allowed value length</span>, and it is
-  not <span title="concept-input-dirty">dirty</span>, and the
-  <span>codepoint length</span> of the element's <span
+  element has a <span>maximum allowed value length</span>, its <span
+  title="concept-input-value-dirty-flag">dirty value flag</span> is
+  false, and the <span>codepoint length</span> of the element's <span
   title="concept-fe-value">value</span> is greater than the element's
   <span>maximum allowed value length</span>, then the element is
   <span>suffering from being too long</span>.</p>
@@ -28013,14 +28123,29 @@
   <p>The <dfn title="dom-input-value"><code>value</code></dfn> DOM
   attribute allows scripts to manipulate the <span
   title="concept-fe-value">value</span> of an <code>input</code>
-  element. On getting, it must return the current <span
-  title="concept-fe-value">value</span> of the element. On setting,
-  it must set the element's <span
-  title="concept-fe-value">value</span> to the new value, and then
-  invoke the <span>value sanitization algorithm</span> defined for the
-  element's <code title="attr-input-type">type</code> attribute's
-  current state.</p>
+  element. If the attribute applies, then on getting, it must return
+  the current <span title="concept-fe-value">value</span> of the
+  element; and on setting, it must set the element's <span
+  title="concept-fe-value">value</span> to the new value, set the
+  element's <span title="concept-input-value-dirty-flag">dirty value
+  flag</span> to true, and then invoke the <span>value sanitization
+  algorithm</span> defined for the element's <code
+  title="attr-input-type">type</code> attribute's current state. If
+  the attribute does not apply, then it must <span>reflect</span> the
+  element's <code title="attr-input-value">value</code> content
+  attribute.</p>
 
+  <p>The <dfn title="dom-input-checked"><code>checked</code></dfn> DOM
+  attribute allows scripts to manipulate the <span
+  title="concept-fe-checked">checkedness</span> of an
+  <code>input</code> element. On getting, it must return the current
+  <span title="concept-fe-checked">checkedness</span> of the element;
+  and on setting, it must set the element's <span
+  title="concept-fe-checked">checkedness</span> to the new value and
+  set the element's <span
+  title="concept-input-checked-dirty-flag">dirty checkedness
+  flag</span> to true.</p>
+
   <hr>
 
   <p>The <dfn
@@ -28164,7 +28289,6 @@
 
   <h6>Others...</h6>
 
-  <p class="big-issue">... <dfn title="dom-input-checked"><code>checked</code></dfn></p>
   <p class="big-issue">... <dfn title="dom-input-list"><code>list</code></dfn></p>
   <p class="big-issue">... <dfn title="dom-input-selectedOption"><code>selectedOption</code></dfn></p>
 
@@ -28690,6 +28814,7 @@
   <h5>A form control's value</h5>
 
   <p class="big-issue">... <dfn title="concept-fe-value">value</dfn></p>
+  <p class="big-issue">... <dfn title="concept-fe-checked">checkedness</dfn></p>
   <!-- XXX autocomplete: define somewhere that the value may be set from a stored value -->
 
 
@@ -29003,16 +29128,16 @@
        <li>The <var title="">field</var> element is an
        <code>input</code> element whose <code
        title="attr-input-type">type</code> attribute is in the <span
-       title="attr-input-type-checkbox-state">Checkbox</span> state
-       and the control is not <span
-       title="concept-input-checked-checkbox">checked</span>.</li>
+       title="attr-input-type-checkbox">Checkbox</span> state and
+       whose <span title="concept-fe-checked">checkedness</span> is
+       false.</li>
 
        <li>The <var title="">field</var> element is an
        <code>input</code> element whose <code
        title="attr-input-type">type</code> attribute is in the <span
-       title="attr-input-type-radio-state">Radio Button</span> state
-       and the control is not <span
-       title="concept-input-checked-radio">checked</span>.</li>
+       title="attr-input-type-radio">Radio Button</span> state and
+       whose <span title="concept-fe-checked">checkedness</span> is
+       false.</li>
 
        <li>The <var title="">field</var> element is an
        <code>input</code> element whose <code
@@ -29103,6 +29228,31 @@
      title="concept-option-value">value</span> of the
      <code>option</code> element as the value.</p></li>
 
+     <li>
+
+      <p>Otherwise, if the <var title="">field</var> element is an
+      <code>input</code> element whose <code
+      title="attr-input-type">type</code> attribute is in the <span
+      title="attr-input-type-checkbox">Checkbox</span> state or the
+      <span title="attr-input-type-radio">Radio Button</span> state,
+      then then run these further nested substeps:</p>
+
+      <ol>
+
+       <li><p>If the <var title="">field</var> element has a <code
+       title="attr-input-value">value</code> attribute specified, then
+       let <var title="">value</var> be the value of that attribute;
+       otherwise, let <var title="">value</var> be the string
+       "on".</p></li>
+
+       <li><p>Append an entry in the <var title="">form data set</var>
+       with <var title="">name</var> as the name and <var
+       title="">value</var> as the value.</p></li>
+
+      </ol>
+
+     </li>
+
      <li><p>Otherwise, if the <var title="">field</var> element is an
      <code>input</code> element whose <code
      title="attr-input-type">type</code> attribute is in the <span
@@ -30805,16 +30955,16 @@
     title="dom-provider-getCellClasses">getCellClasses()</code> method
     must add the <code
     title="datagrid-cell-class-checked">checked</code> class if the
-    <code>input</code> element is <span
-    title="dom-input-checked">checked</span>, and the <code
-    title="datagrid-cell-class-unchecked">unchecked</code> class
+    <code>input</code> element's <span
+    title="concept-fe-checked">checkedness</span> is true, and the
+    <code title="datagrid-cell-class-unchecked">unchecked</code> class
     otherwise.</p>
 
     <p>The <code
     title="dom-provider-setCellCheckedState">setCellCheckedState()</code>
     method must set the <code>input</code> element's checkbox <span
-    title="dom-input-checked">state</span> to checked if the method's
-    third argument is 1, and to unchecked otherwise.</p>
+    title="concept-fe-checked">checkedness</span> to true if the
+    method's third argument is 1, and to false otherwise.</p>
 
     <p>The <code title="dom-provider-cycleCell">cycleCell()</code> and
     <code title="dom-provider-editCell">editCell()</code> methods must
@@ -32703,7 +32853,7 @@
   <p>The <span title="command-facet-CheckedState">Checked State</span>
   of the command is true if the command is of <span
   title="command-facet-Type">Type</span> "radio" or "checkbox" and the
-  element has a <code title="attr-input-checked">checked</code>
+  element is <span title="concept-fe-checked">checked</span>
   attribute, and false otherwise.</p>
 
   <p>The <span title="command-facet-Action">Action</span> of the

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