[css-contain-2] Argh, I had the fixed text in my buffer but didn't save. w3c#6728

Author: tabatkins

css-contain-2/Overview.bs

@@ -1696,11 +1696,16 @@ Restrictions and Clarifications {#cv-notes}
 	to their "proper" values from the cascade),
 	no transitions are started.
 
-11. While an element is [=skipped=],
-	if it is placed in the [=top layer=],
+11. If an element has an ancestor with ''content-visibility: hidden'',
+	and it is placed in the [=top layer=],
 	it does not generate any boxes,
 	as if it were ''display: none''.
 
+	Note: An element [=skipped=] for other reasons,
+	such as having a ''content-visiblity: auto'' ancestor,
+	will still generate boxes as normal,
+	and might thus become un-[=skipped=].
+
 
 
 Accessibility Implications {#cv-a11y}