Merge pull request #243 from w3c/update-img-no-alt

update allowances for image with empty alt

Author: scottaohara

index.html

@@ -1196,22 +1196,15 @@ <h2 id="docconformance">
 </tr>
 <tr id="el-img-empty-alt" tabindex="-1">
 <td>
-<code><a>img</a></code> with <code><a data-cite=
-"html/embedded-content.html#attr-img-alt">alt</a>=""</code>
+<code><a>img</a></code> with
+<code><a data-cite="html/embedded-content.html#attr-img-alt">alt</a>=""</code>
 </td>
 <td>
 <a>No corresponding role</a>
 </td>
 <td>
-<p>
-Roles:
-<a href="#index-aria-none">`none`</a> or
-<a href="#index-aria-presentation">`presentation`</a>.
-</p>
-<p>
-<strong class="nosupport">No `aria-*` attributes</strong> except
-`aria-hidden`.
-</p>
+<strong class="nosupport">No `role` or `aria-*` attributes</strong>
+except `aria-hidden="true"`.
 </td>
 </tr>
 <tr id="el-img-no-alt" tabindex="-1">