[css-overflow-3] overflow:hidden on replaced elements resolves to overflow:clip #7714

Author: fantasai

css-overflow-3/Overview.bs

@@ -537,6 +537,9 @@ Managing Overflow: the 'overflow-x', 'overflow-y', and 'overflow' properties</h3
 	The  ''visible''/''overflow/clip'' values of 'overflow'
 	compute to ''overflow/auto''/''hidden'' (respectively)
 	if one of 'overflow-x' or 'overflow-y' is neither ''visible'' nor ''overflow/clip''.
+	On [=replaced elements=],
+	a [=computed value|computed=] ''overflow/hidden'' value further resolves
+	to a [=used value=] of ''overflow/clip''.
 
 	If the computed value of 'overflow' on a <a>block box</a>
 	is neither ''overflow/visible'' nor ''overflow/clip'' nor a combination thereof,