[ac] (0) Further discourage misuse of <canvas> that cannot be made ac…

…cessible or usable.

git-svn-id: http://svn.whatwg.org/webapps@6145 340c8d12-0b0e-0410-8428-c7bf67bfef74

complete.html

@@ -34041,7 +34041,7 @@ <h4 id=the-canvas-element><span class=secno>4.8.11 </span>The <dfn id=canvas><co
    <dt>Contexts in which this element can be used:</dt>
    <dd>Where <a href=#embedded-content>embedded content</a> is expected.</dd>
    <dt>Content model:</dt>
-   <dd><a href=#transparent>Transparent</a>.</dd>
+   <dd><a href=#transparent>Transparent</a>, but with no <a href=#interactive-content>interactive content</a> descendants except for <code><a href=#the-a-element>a</a></code> elements, <code><a href=#the-button-element>button</a></code> elements, <code><a href=#the-input-element>input</a></code> elements whose <code title=attr-input-type><a href=#attr-input-type>type</a></code> attribute are in the <a href=#checkbox-state title=attr-input-type-checkbox>Checkbox</a> or <a href=#radio-button-state title=attr-input-type-radio>Radio Button</a> states, and <code><a href=#the-input-element>input</a></code> elements that are <a href=#concept-button title=concept-button>buttons</a>.</dd> <!-- and maybe <select>, I guess -->
    <dt>Content attributes:</dt>
    <dd><a href=#global-attributes>Global attributes</a></dd>
    <dd><code title=attr-canvas-width><a href=#attr-canvas-width>width</a></code></dd>

index

@@ -34061,7 +34061,7 @@ interface <dfn id=texttrackcue>TextTrackCue</dfn> {
    <dt>Contexts in which this element can be used:</dt>
    <dd>Where <a href=#embedded-content>embedded content</a> is expected.</dd>
    <dt>Content model:</dt>
-   <dd><a href=#transparent>Transparent</a>.</dd>
+   <dd><a href=#transparent>Transparent</a>, but with no <a href=#interactive-content>interactive content</a> descendants except for <code><a href=#the-a-element>a</a></code> elements, <code><a href=#the-button-element>button</a></code> elements, <code><a href=#the-input-element>input</a></code> elements whose <code title=attr-input-type><a href=#attr-input-type>type</a></code> attribute are in the <a href=#checkbox-state title=attr-input-type-checkbox>Checkbox</a> or <a href=#radio-button-state title=attr-input-type-radio>Radio Button</a> states, and <code><a href=#the-input-element>input</a></code> elements that are <a href=#concept-button title=concept-button>buttons</a>.</dd> <!-- and maybe <select>, I guess -->
    <dt>Content attributes:</dt>
    <dd><a href=#global-attributes>Global attributes</a></dd>
    <dd><code title=attr-canvas-width><a href=#attr-canvas-width>width</a></code></dd>

source

@@ -37594,7 +37594,7 @@ interface <dfn>TextTrackCue</dfn> {
    <dt>Contexts in which this element can be used:</dt>
    <dd>Where <span>embedded content</span> is expected.</dd>
    <dt>Content model:</dt>
-   <dd><span>Transparent</span>.</dd>
+   <dd><span>Transparent</span>, but with no <span>interactive content</span> descendants except for <code>a</code> elements, <code>button</code> elements, <code>input</code> elements whose <code title="attr-input-type">type</code> attribute are in the <span title="attr-input-type-checkbox">Checkbox</span> or <span title="attr-input-type-radio">Radio Button</span> states, and <code>input</code> elements that are <span title="concept-button">buttons</span>.</dd> <!-- and maybe <select>, I guess -->
    <dt>Content attributes:</dt>
    <dd><span>Global attributes</span></dd>
    <dd><code title="attr-canvas-width">width</code></dd>