[css-sizing-4] Move note/issue about an a-r not making the box replaced up to a better location.

Author: tabatkins

css-sizing-4/Overview.bs

@@ -176,6 +176,18 @@ Intrinsic Aspect Ratios: the 'aspect-ratio' property</h3>
 			work with the [=content box=] dimensions always.
 	</dl>
 
+	Note: Having a [=preferred aspect ratio=] does not make a box into a [=replaced element=];
+	layout rules specific to [=replaced elements=] generally
+	do not apply to [=non-replaced=] boxes with a [=preferred aspect ratio=].
+	For example, a [=non-replaced=] [=absolutely-positioned=] box
+	treats ''justify-self: normal'' as ''justify-self/stretch'', not as ''justify-self/start''
+	([[CSS-ALIGN-3#justify-abspos]]).
+
+	ISSUE: CSS2.1 does not cleanly differentiate between
+	replaced elements vs. elements with an aspect ratio;
+	need to figure out specific cases that are unclear and define them,
+	either in the appropriate Level 3 spec or here.
+
 	When a box has a [=preferred aspect ratio=],
 	its <a>automatic sizes</a>
 	are calculated the same as for
@@ -303,18 +315,6 @@ Intrinsic Aspect Ratios: the 'aspect-ratio' property</h3>
 		to the width of the word “content”.
 	</div>
 
-	Note: Having a [=preferred aspect ratio=] does not make a box into a [=replaced element=];
-	layout rules specific to [=replaced elements=] generally
-	do not apply to [=non-replaced=] boxes with a [=preferred aspect ratio=].
-	For example, a [=non-replaced=] [=absolutely-positioned=] box
-	treats ''justify-self: normal'' as ''justify-self/stretch'', not as ''justify-self/start''
-	([[CSS-ALIGN-3#justify-abspos]]).
-
-	ISSUE: CSS2.1 does not cleanly differentiate between
-	replaced elements vs. elements with an aspect ratio;
-	need to figure out specific cases that are unclear and define them,
-	either in the appropriate Level 3 spec or here.
-
 <h4 id='aspect-ratio-cyclic'>
 Cyclic Aspect-Ratio Calculations</h4>