Update URLs for [ARIA] and [HTMLAAM]

Closes #3434.

source

@@ -4002,23 +4002,23 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
     specification, as are the following roles: <ref spec=ARIA></p>
 
     <ul class="brief">
-     <li><dfn data-x-href="https://w3c.github.io/aria/aria/aria.html#button"><code data-x="attr-aria-role-button">button</code></dfn></li>
-     <li><dfn data-x-href="https://w3c.github.io/aria/aria/aria.html#presentation"><code data-x="attr-aria-role-presentation">presentation</code></dfn></li>
+     <li><dfn data-x-href="https://w3c.github.io/aria/#button"><code data-x="attr-aria-role-button">button</code></dfn></li>
+     <li><dfn data-x-href="https://w3c.github.io/aria/#presentation"><code data-x="attr-aria-role-presentation">presentation</code></dfn></li>
     </ul>
 
     <p>In addition, the following <dfn><code data-x="attr-aria-*">aria-*</code></dfn> content
     attributes are defined in the ARIA specification: <ref spec=ARIA></p>
 
     <ul class="brief">
-     <li><dfn data-x-href="https://w3c.github.io/aria/aria/aria.html#aria-describedby"><code data-x="attr-aria-describedby">aria-describedby</code></dfn></li>
-     <li><dfn data-x-href="https://w3c.github.io/aria/aria/aria.html#aria-disabled"><code data-x="attr-aria-disabled">aria-disabled</code></dfn></li>
-     <li><dfn data-x-href="https://w3c.github.io/aria/aria/aria.html#aria-label"><code data-x="attr-aria-label">aria-label</code></dfn></li>
+     <li><dfn data-x-href="https://w3c.github.io/aria/#aria-describedby"><code data-x="attr-aria-describedby">aria-describedby</code></dfn></li>
+     <li><dfn data-x-href="https://w3c.github.io/aria/#aria-disabled"><code data-x="attr-aria-disabled">aria-disabled</code></dfn></li>
+     <li><dfn data-x-href="https://w3c.github.io/aria/#aria-label"><code data-x="attr-aria-label">aria-label</code></dfn></li>
     </ul>
 
     <p>Finally, the following terms are defined in the ARIA specification: <ref spec=ARIA></p>
 
     <ul class="brief">
-     <li><dfn data-x-href="https://w3c.github.io/aria/aria/aria.html#dfn-accessible-name" data-x="concept-accessible-name">accessible name</dfn></li>
+     <li><dfn data-x-href="https://w3c.github.io/aria/#dfn-accessible-name" data-x="concept-accessible-name">accessible name</dfn></li>
     </ul>
 
    </dd>
@@ -122787,7 +122787,7 @@ INSERT INTERFACES HERE
    <dd>(Non-normative) <cite><a href="https://wiki.mozilla.org/APNG_Specification">APNG Specification</a></cite>. S. Parmenter, V. Vukicevic, A. Smith. Mozilla.</dd>
 
    <dt id="refsARIA">[ARIA]</dt>
-   <dd><cite><a href="https://w3c.github.io/aria/aria/aria.html">Accessible Rich Internet Applications (WAI-ARIA)</a></cite>, J. Diggs, J. Craig, S. McCarron, M. Cooper. W3C.</dd>
+   <dd><cite><a href="https://w3c.github.io/aria/">Accessible Rich Internet Applications (WAI-ARIA)</a></cite>, J. Diggs, J. Craig, S. McCarron, M. Cooper. W3C.</dd>
 
    <dt id="refsARIAHTML">[ARIAHTML]</dt>
    <dd><cite><a href="https://w3c.github.io/html-aria/">ARIA in HTML</a></cite>, S. Faulkner. W3C.</dd>
@@ -122985,7 +122985,7 @@ INSERT INTERFACES HERE
    <dd><cite><a href="https://w3c.github.io/hr-time/">High Resolution Time</a></cite>, I. Grigorik, J. Simonsen, J. Mann. W3C.</dd>
 
    <dt id="refsHTMLAAM">[HTMLAAM]</dt>
-   <dd><cite><a href="https://w3c.github.io/aria/html-aam/html-aam.html">HTML Accessibility API Mappings 1.0</a></cite>, S. Faulkner, J. Kiss, A. Surkov. W3C.</dd>
+   <dd><cite><a href="https://w3c.github.io/html-aam/">HTML Accessibility API Mappings 1.0</a></cite>, S. Faulkner, J. Kiss, A. Surkov. W3C.</dd>
 
    <dt id="refsHTTP">[HTTP]</dt>
    <dd><cite><a href="https://tools.ietf.org/html/rfc7230">Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing</a></cite>, R. Fielding, J. Reschke. IETF.</dd>