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Presentational Roles Conflict Resolution - global WAI-ARIA states or properties on inherited presentational roles #2237

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Update index.html
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giacomo-petri committed Jun 14, 2024
commit 3466f9200570e0501c1f5ca8c3362e5f96b73ccf
9 changes: 4 additions & 5 deletions index.html
Original file line number Diff line number Diff line change
Expand Up @@ -6258,11 +6258,10 @@ <h5>Presentational Role Inheritance</h5>
<p>An <a>element</a> that displays the progress status for tasks that take a long time.</p>
<p>A progressbar indicates that the user's request has been received and the application is making progress toward completing the requested action.</p>
<p>Authors MAY set <pref>aria-valuemin</pref> and <pref>aria-valuemax</pref> to indicate the minimum and maximum progress indicator values. Otherwise, their implicit values follow the same rules as <code>&lt;input type="[^input/type/range^]"&gt;</code> in HTML:</p>
<ul>
<li>If <code>aria-valuemin</code> is missing or not a <a href="#valuetype_number">number</a>, it defaults to 0 (zero).</li>
<li>If <code>aria-valuemax</code> is missing or not a <a href="#valuetype_number">number</a>, it defaults to 100.</li>
</ul>
</p>
<ul>
<li>If <code>aria-valuemin</code> is missing or not a <a href="#valuetype_number">number</a>, it defaults to 0 (zero).</li>
<li>If <code>aria-valuemax</code> is missing or not a <a href="#valuetype_number">number</a>, it defaults to 100.</li>
</ul>
<p>The author SHOULD supply a <span>value</span> for <pref>aria-valuenow</pref> unless the value is indeterminate, in which case the author SHOULD omit the <pref>aria-valuenow</pref> attribute.
Authors SHOULD update this value when the visual progress indicator is updated. If the <code>progressbar</code> is describing the loading progress of a particular region of a page, authors SHOULD both use <pref>aria-describedby</pref> to reference the progressbar status, and set the <sref>aria-busy</sref> attribute to <code>true</code> on the region until it is finished loading. It is not possible for the user to alter the value of a <code>progressbar</code> because it is always read-only.</p>
<p class="note">Assistive technologies generally will render the value of <pref>aria-valuenow</pref> as a percent of a range between the value of <pref>aria-valuemin</pref> and <pref>aria-valuemax</pref>, unless <pref>aria-valuetext</pref> is specified.</p>
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