[css-display] Fix up some weirdness in blockification/inlinification rules. Shift them below the example.

Author: fantasai

css-display/Overview.bs

@@ -1,8 +1,8 @@
 <h1>CSS Display Module Level 3</h1>
 
 <pre class='metadata'>
-Status: WD
-Work Status: Revising
+Status: ED
+Work Status: Refining
 ED: https://drafts.csswg.org/css-display/
 Shortname: css-display
 Group: csswg
@@ -579,12 +579,6 @@ Automatic Box Type Transformations</h3>
 	to ''block'' or ''inline'' (respectively).
 	(This has no effects on <a>display types</a> that generate no box at all,
 	such as ''display/none'' or ''display/contents''.)
-	Additionally, if the box originally had a [=layout-internal=] display type,
-	blockification converts its [=inner display type=] to ''flow''.
-
-	Issue: Should conversion of layout-internal display types also happen for inlinification?
-	If it does, should it change to ''flow'' or ''flow-root''?
-	If it doesn't, then anonymous-box fixup will handle things.
 
 	<div class='example'>
 		Some examples of this include:
@@ -596,12 +590,21 @@ Automatic Box Type Transformations</h3>
 		</ul>
 	</div>
 
-	If a box with a ''flow'' <a>inner display type</a> is <a>inlinified</a>,
+	If a ''block flow'' box is <a>inlinified</a>,
+	its <a>inner display type</a> is set to ''flow-root''
+	so that it remains a block container.
+	If an ''inline flow'' box is <a>inlinified</a>,
 	it recursively <a>inlinifies</a> all of its in-flow children,
 	so that no block-level descendants
 	break up the inline formatting context in which it participates.
-	If a ''block flow'' box is <a>inlinified</a>,
-	its <a>inner display type</a> is set to ''flow-root''.
+
+	If a [=layout-internal=] box is <a>blockified</a>,
+	its [=inner display type=] converts to ''flow''
+	so that it becomes a <a>block container</a>.
+
+	Issue: Should conversion of layout-internal display types also happen for inlinification?
+	If it does, should it change to ''flow'' or ''flow-root''?
+	If it doesn't, then anonymous-box fixup will handle things.
 
 	The root element’s display type is always <a>blockified</a>.
 	Additionally, a 'display' of ''display/contents'' computes to ''block'' on the root element.