[giow] (2) Try to make the named getter on HTMLFormElement more Web-c…

…ompatible.

Fixing http://www.w3.org/Bugs/Public/show_bug.cgi?id=13776

git-svn-id: http://svn.whatwg.org/webapps@6727 340c8d12-0b0e-0410-8428-c7bf67bfef74

complete.html

@@ -42544,8 +42544,11 @@ <h4 id=categories><span class=secno>4.10.2 </span>Categories</h4>
 
    <dd>
 
-    <p>Returns the form control in the form with the given <a href=#concept-id title=concept-id>ID</a> or <code title=attr-fe-name><a href=#attr-fe-name>name</a></code> (excluding image buttons for
-    historical reasons).</p>
+    <p>Returns the form control (or, if there are several, a
+    <code><a href=#nodelist>NodeList</a></code> of the form controls) in the form with the
+    given <a href=#concept-id title=concept-id>ID</a> or <code title=attr-fe-name><a href=#attr-fe-name>name</a></code> (excluding image buttons for
+    historical reasons); or, if there are none, returns the
+    <code><a href=#the-img-element>img</a></code> element with the given ID.</p>
 
     <p>Once an element has been referenced using a particular name,
     that name will continue being available as a way to reference that
@@ -42618,41 +42621,44 @@ <h4 id=categories><span class=secno>4.10.2 </span>Categories</h4>
   the <code title=dom-form-elements><a href=#dom-form-elements>elements</a></code> collection, when
   invoked with the given index as its argument.</p>
 
-  <p>Each <code><a href=#the-form-element>form</a></code> element has a mapping of names to elements
+  <hr><!-- Welcome to crazy town. Population: The Web. --><p>Each <code><a href=#the-form-element>form</a></code> element has a mapping of names to elements
   called the <dfn id=past-names-map>past names map</dfn>. It is used to persist names of
   controls even when they change names.</p>
 
-  <p>The <a href=#supported-property-names>supported property names</a> are the union of the
-  names currently supported by the object returned by the <code title=dom-form-elements><a href=#dom-form-elements>elements</a></code> attribute, and the names
-  currently in the <a href=#past-names-map>past names map</a>.</p>
+  <p>The <a href=#supported-property-names>supported property names</a> consist of the values
+  of all the <code title=attr-id><a href=#the-id-attribute>id</a></code> and <code title=attr-fe-name><a href=#attr-fe-name>name</a></code> attributes of all the <a href=#category-listed title=category-listed>listed elements</a> and <code><a href=#the-img-element>img</a></code>
+  elements that are descendants of the <code><a href=#the-form-element>form</a></code> element, and
+  all the names currently in the <a href=#past-names-map>past names map</a>.</p>
 
   <p>When a <code><a href=#the-form-element>form</a></code> element is <dfn id=dom-form-nameditem title=dom-form-namedItem>indexed for named property
   retrieval</dfn>, the user agent must run the following steps:</p>
 
-  <ol><li>
+  <ol><li><p>Let <var title="">candidates</var> be a <a href=#live>live</a>
+   <code><a href=#nodelist>NodeList</a></code> object containing all the <a href=#category-listed title=category-listed>listed elements</a> that are descendants
+   of the <code><a href=#the-form-element>form</a></code> element and that have either an <code title=attr-id><a href=#the-id-attribute>id</a></code> attribute or a <code title=attr-fe-name><a href=#attr-fe-name>name</a></code> attribute equal to <var title="">name</var>, in <a href=#tree-order>tree order</a>.</li>
 
-    <p>If <var title="">name</var> is one of the <a href=#supported-property-names>supported
-    property names</a> of the object returned by the <code title=dom-form-elements><a href=#dom-form-elements>elements</a></code> attribute, then run
-    these substeps:</p>
+   <li><p>If <var title="">candidates</var> is empty, let <var title="">candidates</var> be a <a href=#live>live</a>
+   <code><a href=#nodelist>NodeList</a></code> object containing all the <code><a href=#the-img-element>img</a></code>
+   elements that are descendants of the <code><a href=#the-form-element>form</a></code> element and
+   that have either an <code title=attr-id><a href=#the-id-attribute>id</a></code> attribute or a
+   <code title=attr-img-name><a href=#attr-img-name>name</a></code> attribute equal to <var title="">name</var>, in <a href=#tree-order>tree order</a>.</li>
 
-    <ol><li><p>Let <var title="">candidate</var> be the object returned
-     by the <code title=dom-HTMLFormControlsCollection-namedItem><a href=#dom-htmlformcontrolscollection-nameditem>namedItem()</a></code>
-     method on the object returned by the <code title=dom-form-elements><a href=#dom-form-elements>elements</a></code> attribute when passed
-     the <var title="">name</var> argument.</li>
+   <li><p>If <var title="">candidates</var> is empty, <var title="">name</var> is the name of one of the entries in the
+   <code><a href=#the-form-element>form</a></code> element's <a href=#past-names-map>past names map</a>: return the
+   object associated with <var title="">name</var> in that
+   map.</li>
 
-     <li><p>If <var title="">candidate</var> is an element, then add a
-     mapping from <var title="">name</var> to <var title="">candidate</var> in the <code><a href=#the-form-element>form</a></code> element's
-     <a href=#past-names-map>past names map</a>, replacing the previous entry with
-     the same name, if any.</li>
+   <li><p>If <var title="">candidates</var> contains more than one
+   node, return <var title="">candidates</var> and abort these
+   steps.</li>
 
-     <li><p>Return <var title="">candidate</var> and abort these
-     steps.</li>
+   <li><p>Otherwise, <var title="">candidates</var> contains exactly
+   one node. Add a mapping from <var title="">name</var> to the node
+   in <var title="">candidates</var> in the <code><a href=#the-form-element>form</a></code> element's
+   <a href=#past-names-map>past names map</a>, replacing the previous entry with the
+   same name, if any.</li>
 
-    </ol></li>
-
-   <li><p>Otherwise, <var title="">name</var> is the name of one of
-   the entries in the <code><a href=#the-form-element>form</a></code> element's <a href=#past-names-map>past names
-   map</a>: return the object associated with <var title="">name</var> in that map.</li>
+   <li><p>Return the node in <var title="">candidates</var>.</li>
 
   </ol><p>If an element listed in the <code><a href=#the-form-element>form</a></code> element's <a href=#past-names-map>past
   names map</a> is removed from the <code><a href=#document>Document</a></code>, then its
@@ -42678,8 +42684,17 @@ <h4 id=categories><span class=secno>4.10.2 </span>Categories</h4>
     of writing, Safari returned the first element, Firefox returned
     null (as we do), and IE7 returned the original collection:
     http://software.hixie.ch/utilities/js/live-dom-viewer/?%3C!DOCTYPE%20html%3E...%3Cform%20action%3D%22%2F%22%3E%3Cinput%20name%3Da%20id%3Dfirst%3E%3Cinput%20name%3Da%20id%3Dsecond%3E%3C%2Fform%3E%0A%3Cscript%3E%0A%20w%28document.forms[0].a%29%3B%0A%20document.getElementsByTagName%28%27input%27%29[0].name%20%3D%20%27b%27%3B%0A%20document.getElementsByTagName%28%27input%27%29[1].name%20%3D%20%27b%27%3B%0A%20w%28document.forms[0].length%29%3B%0A%20w%28document.forms[0].a.id%29%3B%0A%3C%2Fscript%3E
+
+    In addition, the <img> fallback nonsense is similarly here for
+    legacy reasons. As is the exclusion of <input type=image>.
+
+    Also, check this out:
+    http://software.hixie.ch/utilities/js/live-dom-viewer/saved/1220
+
   -->
 
+  <!-- Now leaving crazy town. -->
+
   <hr><p>The <dfn id=dom-form-submit title=dom-form-submit><code>submit()</code></dfn>
   method, when invoked, must <a href=#concept-form-submit title=concept-form-submit>submit</a> the <code><a href=#the-form-element>form</a></code>
   element from the <code><a href=#the-form-element>form</a></code> element itself, with the <var title="">submitted from <code title=dom-form-submit><a href=#dom-form-submit>submit()</a></code> method</var> flag set.</p>

index

@@ -42544,8 +42544,11 @@ interface <dfn id=htmlformelement>HTMLFormElement</dfn> : <a href=#htmlelement>H
 
    <dd>
 
-    <p>Returns the form control in the form with the given <a href=#concept-id title=concept-id>ID</a> or <code title=attr-fe-name><a href=#attr-fe-name>name</a></code> (excluding image buttons for
-    historical reasons).</p>
+    <p>Returns the form control (or, if there are several, a
+    <code><a href=#nodelist>NodeList</a></code> of the form controls) in the form with the
+    given <a href=#concept-id title=concept-id>ID</a> or <code title=attr-fe-name><a href=#attr-fe-name>name</a></code> (excluding image buttons for
+    historical reasons); or, if there are none, returns the
+    <code><a href=#the-img-element>img</a></code> element with the given ID.</p>
 
     <p>Once an element has been referenced using a particular name,
     that name will continue being available as a way to reference that
@@ -42618,41 +42621,44 @@ interface <dfn id=htmlformelement>HTMLFormElement</dfn> : <a href=#htmlelement>H
   the <code title=dom-form-elements><a href=#dom-form-elements>elements</a></code> collection, when
   invoked with the given index as its argument.</p>
 
-  <p>Each <code><a href=#the-form-element>form</a></code> element has a mapping of names to elements
+  <hr><!-- Welcome to crazy town. Population: The Web. --><p>Each <code><a href=#the-form-element>form</a></code> element has a mapping of names to elements
   called the <dfn id=past-names-map>past names map</dfn>. It is used to persist names of
   controls even when they change names.</p>
 
-  <p>The <a href=#supported-property-names>supported property names</a> are the union of the
-  names currently supported by the object returned by the <code title=dom-form-elements><a href=#dom-form-elements>elements</a></code> attribute, and the names
-  currently in the <a href=#past-names-map>past names map</a>.</p>
+  <p>The <a href=#supported-property-names>supported property names</a> consist of the values
+  of all the <code title=attr-id><a href=#the-id-attribute>id</a></code> and <code title=attr-fe-name><a href=#attr-fe-name>name</a></code> attributes of all the <a href=#category-listed title=category-listed>listed elements</a> and <code><a href=#the-img-element>img</a></code>
+  elements that are descendants of the <code><a href=#the-form-element>form</a></code> element, and
+  all the names currently in the <a href=#past-names-map>past names map</a>.</p>
 
   <p>When a <code><a href=#the-form-element>form</a></code> element is <dfn id=dom-form-nameditem title=dom-form-namedItem>indexed for named property
   retrieval</dfn>, the user agent must run the following steps:</p>
 
-  <ol><li>
+  <ol><li><p>Let <var title="">candidates</var> be a <a href=#live>live</a>
+   <code><a href=#nodelist>NodeList</a></code> object containing all the <a href=#category-listed title=category-listed>listed elements</a> that are descendants
+   of the <code><a href=#the-form-element>form</a></code> element and that have either an <code title=attr-id><a href=#the-id-attribute>id</a></code> attribute or a <code title=attr-fe-name><a href=#attr-fe-name>name</a></code> attribute equal to <var title="">name</var>, in <a href=#tree-order>tree order</a>.</li>
 
-    <p>If <var title="">name</var> is one of the <a href=#supported-property-names>supported
-    property names</a> of the object returned by the <code title=dom-form-elements><a href=#dom-form-elements>elements</a></code> attribute, then run
-    these substeps:</p>
+   <li><p>If <var title="">candidates</var> is empty, let <var title="">candidates</var> be a <a href=#live>live</a>
+   <code><a href=#nodelist>NodeList</a></code> object containing all the <code><a href=#the-img-element>img</a></code>
+   elements that are descendants of the <code><a href=#the-form-element>form</a></code> element and
+   that have either an <code title=attr-id><a href=#the-id-attribute>id</a></code> attribute or a
+   <code title=attr-img-name><a href=#attr-img-name>name</a></code> attribute equal to <var title="">name</var>, in <a href=#tree-order>tree order</a>.</li>
 
-    <ol><li><p>Let <var title="">candidate</var> be the object returned
-     by the <code title=dom-HTMLFormControlsCollection-namedItem><a href=#dom-htmlformcontrolscollection-nameditem>namedItem()</a></code>
-     method on the object returned by the <code title=dom-form-elements><a href=#dom-form-elements>elements</a></code> attribute when passed
-     the <var title="">name</var> argument.</li>
+   <li><p>If <var title="">candidates</var> is empty, <var title="">name</var> is the name of one of the entries in the
+   <code><a href=#the-form-element>form</a></code> element's <a href=#past-names-map>past names map</a>: return the
+   object associated with <var title="">name</var> in that
+   map.</li>
 
-     <li><p>If <var title="">candidate</var> is an element, then add a
-     mapping from <var title="">name</var> to <var title="">candidate</var> in the <code><a href=#the-form-element>form</a></code> element's
-     <a href=#past-names-map>past names map</a>, replacing the previous entry with
-     the same name, if any.</li>
+   <li><p>If <var title="">candidates</var> contains more than one
+   node, return <var title="">candidates</var> and abort these
+   steps.</li>
 
-     <li><p>Return <var title="">candidate</var> and abort these
-     steps.</li>
+   <li><p>Otherwise, <var title="">candidates</var> contains exactly
+   one node. Add a mapping from <var title="">name</var> to the node
+   in <var title="">candidates</var> in the <code><a href=#the-form-element>form</a></code> element's
+   <a href=#past-names-map>past names map</a>, replacing the previous entry with the
+   same name, if any.</li>
 
-    </ol></li>
-
-   <li><p>Otherwise, <var title="">name</var> is the name of one of
-   the entries in the <code><a href=#the-form-element>form</a></code> element's <a href=#past-names-map>past names
-   map</a>: return the object associated with <var title="">name</var> in that map.</li>
+   <li><p>Return the node in <var title="">candidates</var>.</li>
 
   </ol><p>If an element listed in the <code><a href=#the-form-element>form</a></code> element's <a href=#past-names-map>past
   names map</a> is removed from the <code><a href=#document>Document</a></code>, then its
@@ -42678,8 +42684,17 @@ interface <dfn id=htmlformelement>HTMLFormElement</dfn> : <a href=#htmlelement>H
     of writing, Safari returned the first element, Firefox returned
     null (as we do), and IE7 returned the original collection:
     http://software.hixie.ch/utilities/js/live-dom-viewer/?%3C!DOCTYPE%20html%3E...%3Cform%20action%3D%22%2F%22%3E%3Cinput%20name%3Da%20id%3Dfirst%3E%3Cinput%20name%3Da%20id%3Dsecond%3E%3C%2Fform%3E%0A%3Cscript%3E%0A%20w%28document.forms[0].a%29%3B%0A%20document.getElementsByTagName%28%27input%27%29[0].name%20%3D%20%27b%27%3B%0A%20document.getElementsByTagName%28%27input%27%29[1].name%20%3D%20%27b%27%3B%0A%20w%28document.forms[0].length%29%3B%0A%20w%28document.forms[0].a.id%29%3B%0A%3C%2Fscript%3E
+
+    In addition, the <img> fallback nonsense is similarly here for
+    legacy reasons. As is the exclusion of <input type=image>.
+
+    Also, check this out:
+    http://software.hixie.ch/utilities/js/live-dom-viewer/saved/1220
+
   -->
 
+  <!-- Now leaving crazy town. -->
+
   <hr><p>The <dfn id=dom-form-submit title=dom-form-submit><code>submit()</code></dfn>
   method, when invoked, must <a href=#concept-form-submit title=concept-form-submit>submit</a> the <code><a href=#the-form-element>form</a></code>
   element from the <code><a href=#the-form-element>form</a></code> element itself, with the <var title="">submitted from <code title=dom-form-submit><a href=#dom-form-submit>submit()</a></code> method</var> flag set.</p>