Change figure & figcaption accName computation

index.html

@@ -1079,7 +1079,8 @@ <h3>HTML Element Role Mappings</h3>
  <span class="type">Roles:</span> `ROLE_SYSTEM_TEXT`; `IA2_ROLE_CAPTION`
  </div>
  <div class="relations">
- <span class="type">Relations:</span> `IA2_RELATION_LABEL_FOR` with parent <a href="#el-figure">`figure`</a> element
+ <span class="type">Relations:</span> 
+ `IA2_RELATION_DETAILS_FOR` with parent <a href="#el-figure">`figure`</a> element
  </div>
  <div class="ifaces">
  <span class="type">Interfaces:</span> `IAccessibleText2`; `IAccessibleHypertext2`;
@@ -1096,7 +1097,7 @@ <h3>HTML Element Role Mappings</h3>
  </div>
  <div class="relations">
  <span class="type">Relations:</span>
- `ATK_RELATION_LABEL_FOR` with parent <a href="#el-figure">`figure`</a> element
+ `RELATION_DETAILS_FOR` with parent <a href="#el-figure">`figure`</a> element
  </div>
  <div class="ifaces">
  <span class="type">Interfaces:</span> `AtkText`; `AtkHypertext`
@@ -1126,34 +1127,25 @@ <h3>HTML Element Role Mappings</h3>
  <div class="role">
  <span class="type">Role:</span> Use WAI-ARIA mapping
  </div>
- <div class="relations">
- <span class="type">Relations:</span> `IA2_RELATION_LABELLED_BY` with child <a href="#el-figcaption">`figcaption`</a> element
- </div>
  </td>
  <td class="uia">
  <div class="role">
  <span class="type">Role:</span> Use WAI-ARIA mapping
  </div>
- <div class="general">
- Accessible name derived from `figcaption` according to the <a href="#figure-element-accessible-name-computation">`figure` Element Accessible Name Computation</a>
- </div>
  </td>
  <td class="atk">
  <div class="role">
  <span class="type">Role:</span> Use WAI-ARIA mapping</div>
- <div class="name">
- <span class="type">Name:</span> related <a href="#el-figcaption">`figcaption`</a> content
- </div>
- <div class="relations">
- <span class="type">Relations:</span> `ATK_RELATION_LABELLED_BY` with child <a href="#el-figcaption">`figcaption`</a> element
- </div>
  </td>
  <td class="ax">
  <div class="role">
  <span class="type">AXRole:</span> Use WAI-ARIA mapping
  </div>
  </td>
- <td class="comments"></td>
+ <td class="comments">
+ The first child instance of a <a href="#el-figcaption">`figcaption`</a> provides details 
+ for its parent <a href="#el-figure">`figure`</a>.
+ </td>
  </tr>
  <tr tabindex="-1" id="el-footer-ancestorbody">
  <th>
@@ -6328,19 +6320,25 @@ <h4>`summary` Element Accessible Description Computation</h4>
  </section>
  <section>
  <h3>`figure` and `figcaption` Elements</h3>
+ <div class="note">
+ <p>
+ A <a href="#el-figcaption">`figcaption`</a> provides additional detailed information related to its parent 
+ <a href="#el-figure">`figure`</a> element. A `figcaption` does not take part in the 
+ <a class="termref">accessible name</a> or <a class="termref">accessible description</a> computation.
+ </p>
+ </div>
  <section>
  <h4>`figure` Element Accessible Name Computation</h4>
  <ol>
  <li>
  If the `figure` element has an <a href="https://www.w3.org/TR/wai-aria-1.1/#aria-label">`aria-label`</a> or an <a href="https://www.w3.org/TR/wai-aria-1.1/#aria-labelledby">`aria-labelledby`</a> attribute the <a class="termref">accessible name</a> is to be calculated using the algorithm defined in <a href="" class="accname">Accessible Name and Description: Computation and API Mappings 1.1</a>.
  </li>
  <li>
- If the <a class="termref">accessible name</a> is still empty, then: if the `figure` element has a <a href="https://dom.spec.whatwg.org/#concept-tree-child">child</a> that is a `figcaption` element, then use the subtree of the first such element.
+ Otherwise, use the `title` attribute.
  </li>
  <li>
- If the <a class="termref">accessible name</a> is still empty, then: if the `figure` element has a `title` attribute, then use that attribute.
+ If none of the above yield a usable text string there is no <a class="termref">accessible name</a>.
  </li>
- <li>Otherwise, there is no <a class="termref">accessible name</a>.</li>
  </ol>
  </section>
  <section>