Update supported and required properties for the separator role (#945)

index.html

@@ -7073,7 +7073,6 @@ <h5>Presentational Roles Conflict Resolution</h5>
 				<ul>
 				    <li>The implicit value of <code>aria-valuemin</code> is <code>0</code>.</li>
 				    <li>The implicit value of <code>aria-valuemax</code> is <code>100</code>.</li>
-				    <li>The implicit value of <code>aria-valuenow</code> is <code>50</code>.</li>
 				</ul>
 				<p>In applications where there is more than one focusable <code>separator</code>, authors SHOULD provide an accessible name for each one.</p>
 				<p>Elements with the role <code>separator</code> have an implicit <pref>aria-orientation</pref> value of <code>horizontal</code>.</p>
@@ -7122,19 +7121,15 @@ <h5>Presentational Roles Conflict Resolution</h5>
 					</tr>
 					<tr>
 						<th class="role-required-properties-head">Required States and Properties:</th>
-						<td class="role-required-properties">
-							<ul>
-								<li><pref>aria-valuemax</pref> (if focusable)</li>
-								<li><pref>aria-valuemin</pref> (if focusable)</li>
-								<li><pref>aria-valuenow</pref> (if focusable)</li>
-							</ul>
-						</td>
+						<td class="role-required-properties"><pref>aria-valuenow</pref> (if focusable)</td>
 					</tr>
 					<tr>
 						<th class="role-properties-head" scope="row">Supported States and Properties:</th>
 						<td class="role-properties">
 							<ul>
 								<li><pref>aria-orientation</pref></li>
+								<li><pref>aria-valuemax</pref> (if focusable)</li>
+								<li><pref>aria-valuemin</pref> (if focusable)</li>
 								<li><pref>aria-valuetext</pref> (if focusable)</li>
 							</ul>
 						</td>
@@ -7168,8 +7163,7 @@ <h5>Presentational Roles Conflict Resolution</h5>
 						<td class="implicit-values">
 							Default for <pref>aria-orientation</pref> is <code class="default">horizontal</code>.<br/>
 							Default for <pref>aria-valuemin</pref> is <code>0</code>.<br/>
-							Default for <pref>aria-valuemax</pref> is <code>100</code>.<br/>
-							Default for <pref>aria-valuenow</pref> is <code>50</code>.<br/>
+							Default for <pref>aria-valuemax</pref> is <code>100</code>.
 						</td>
 					</tr>
 					<tr>
@@ -12401,6 +12395,11 @@ <h3>States and Properties</h3>
 					<td><pref>aria-level</pref></td>
 					<td><code>2</code></td>
 				</tr>
+				<tr>
+					<td><rref>separator</rref> (if focusable)</td>
+					<td><pref>aria-valuenow</pref></td>
+					<td><code>aria-valuemax - aria-valuemin) / 2</code></td>
+				</tr>
 				<tr>
 					<td><rref>scrollbar</rref></td>
 					<td><pref>aria-controls</pref></td>