Tabpanel relationships - editorial change ("either by ... or by ..." replaced with "by ... and/or by") (#2053)

Author: giacomo-petri

index.html

@@ -8786,7 +8786,7 @@ <h5>Presentational Role Inheritance</h5>
 			<rdef>tabpanel</rdef>
 			<div class="role-description">
 				<p>A container for the resources associated with a <rref>tab</rref>, where each <rref>tab</rref> is contained in a <rref>tablist</rref>.</p>
-				<p>Authors SHOULD associate a <code>tabpanel</code> <a>element</a> with its <rref>tab</rref>, either by using the <pref>aria-controls</pref> attribute on the tab to reference the tab panel, or by using the  <pref>aria-labelledby</pref> attribute on the tab panel to reference the tab.</p>
+				<p>Authors SHOULD associate a <code>tabpanel</code> <a>element</a> with its <rref>tab</rref>, by using the <pref>aria-controls</pref> attribute on the tab to reference the tab panel, and/or by using the <pref>aria-labelledby</pref> attribute on the tab panel to reference the tab.</p>
 				<!-- keep following para synced with its counterpart in #tablist -->
 				<p><rref>tablist</rref> elements are typically placed near, usually preceding, a series of <rref>tabpanel</rref> elements. See the <cite><a href="" class="practices"><abbr title="Accessible Rich Internet Applications">WAI-ARIA</abbr> Authoring Practices</a></cite> for details on implementing a tab set design pattern.</p>
 			</div>