[css-ui-4] outline-width is ignored when outline-style is auto

See #9201

Author: frivoal

css-ui-4/Overview.bs

@@ -403,8 +403,9 @@ Outline Patterns: the 'outline-style' property</h3>
 	that appears to glow.
 	User agents may enable authors to influence the rendering of
 	''outline-style/auto'' style outlines
-	via the 'outline-color' or 'outline-width' properties,
+	via the 'outline-color' property,
 	but this specification does not define how the rendering is impacted (if at all).
+	The 'outline-width' property is ignored when 'outline-style' is ''outline-style/auto''.
 	User agents may treat ''outline-style/auto'' as
 	''outline-style/solid''.
 
@@ -2723,6 +2724,11 @@ Changes from the <a href="https://www.w3.org/TR/2021/WD-css-ui-4-20210316/">16 M
 
 		<li>
 			Added 'field-sizing' property.
+
+		<li>
+			Removed claims that 'outline-width' may influence the rendering
+			of ''outline-style: auto'' outlines.
+			(See <a href="https://github.com/w3c/csswg-drafts/issues/9201">Issue 9201</a>.)
 	</ul>