Fix refs and split 'activate'

css-view-transitions-1/Overview.bs

@@ -37,6 +37,7 @@ spec:css-display-3; type:dfn;
 spec:css-cascade-5; type:dfn; text:computed value
 spec:css22; type:dfn; text:element
 spec:css-break-4; type:dfn; text:fragment
+spec:css-viewport; type:dfn; text:interactive-widget;
 </pre>
 
 <pre class=anchors>
@@ -530,7 +531,7 @@ urlPrefix: https://wicg.github.io/navigation-api/; type: interface;
 
 	If the element’s [=principal box=] is [=fragmented=],
 	[=skips its contents|skipped=],
-	or [=not rendered=],
+	or [=element-not-rendered|not rendered=],
 	this property has no effect.
 	See [[#algorithms]] for exact details.
 
@@ -776,7 +777,7 @@ urlPrefix: https://wicg.github.io/navigation-api/; type: interface;
 	The ''::view-transition'' pseudo-element generates a new stacking context,
 	called the <dfn>view transition layer</dfn>,
 	which paints after all other content of the document
-	(including any content rendered in the [=top layer=] [[!FULLSCREEN]]),
+	(including any content rendered in the 	[=Document/top layer=]),
 	after any filters and effects that are applied to such content.
 	(It is not subject to such filters or effects,
 	except insofar as they affect the rendered contents
@@ -1242,40 +1243,45 @@ urlPrefix: https://wicg.github.io/navigation-api/; type: interface;
 
 					1. [=Skip the view transition=] |transition| with |reason|.
 
-				* If the promise was fulfilled, then:
+				* If the promise was fulfilled, then [=activate view transition|activate=] |transition|.
+	</div>
 
-					1. If |transition|'s [=ViewTransition/phase=] is "`done`", then return.
+	<div algorithm>
+		To <dfn>activate view transition</dfn> for a {{ViewTransition}} |transition|,
+			perform the following steps:
 
-						Note: This happens if |transition| was [=skip the view transition|skipped=] before this point.
+		1. If |transition|'s [=ViewTransition/phase=] is "`done`", then return.
+
+			Note: This happens if |transition| was [=skip the view transition|skipped=] before this point.
 
-					1. If |transition|'s [=ViewTransition/initial snapshot containing block size=] is not equal to the [=snapshot containing block size=],
-						then [=skip the view transition=] for |transition|, and return.
+		1. If |transition|'s [=ViewTransition/initial snapshot containing block size=] is not equal to the [=snapshot containing block size=],
+			then [=skip the view transition=] for |transition|, and return.
 
-					1. Set [=document/rendering suppression for view transitions=] to false.
+		1. Set [=document/rendering suppression for view transitions=] to false.
 
-					1. [=Capture the new state=] for |transition|.
+		1. [=Capture the new state=] for |transition|.
 
-						If failure is returned, then [=skip the view transition=] for |transition| with an "{{InvalidStateError}}" {{DOMException}} in |transition|'s [=relevant Realm=],
-						and return.
+			If failure is returned, then [=skip the view transition=] for |transition| with an "{{InvalidStateError}}" {{DOMException}} in |transition|'s [=relevant Realm=],
+			and return.
 
-					1. [=list/For each=] |capturedElement| of |transition|'s [=ViewTransition/named elements=]' [=map/values=]:
+		1. [=list/For each=] |capturedElement| of |transition|'s [=ViewTransition/named elements=]' [=map/values=]:
 
-						1. If |capturedElement|'s [=captured element/new element=] is not null,
-							then set |capturedElement|'s [=captured element/new element=]'s [=captured in a view transition=] to true.
+			1. If |capturedElement|'s [=captured element/new element=] is not null,
+				then set |capturedElement|'s [=captured element/new element=]'s [=captured in a view transition=] to true.
 
-					1. [=Setup transition pseudo-elements=] for |transition|.
+		1. [=Setup transition pseudo-elements=] for |transition|.
 
-					1. [=Update pseudo-element styles=] for |transition|.
+		1. [=Update pseudo-element styles=] for |transition|.
 
-						If failure is returned, then [=skip the view transition=] for |transition| with an "{{InvalidStateError}}" {{DOMException}} in |transition|'s [=relevant Realm=],
-						and return.
+			If failure is returned, then [=skip the view transition=] for |transition| with an "{{InvalidStateError}}" {{DOMException}} in |transition|'s [=relevant Realm=],
+			and return.
 
-						Note: The above steps will require running document lifecycle phases,
-							to compute information calculated during style/layout.
+			Note: The above steps will require running document lifecycle phases,
+				to compute information calculated during style/layout.
 
-					1. Set |transition|'s [=ViewTransition/phase=] to "`animating`".
+		1. Set |transition|'s [=ViewTransition/phase=] to "`animating`".
 
-					1. [=Resolve=] |transition|'s [=ViewTransition/ready promise=].
+		1. [=Resolve=] |transition|'s [=ViewTransition/ready promise=].
 	</div>
 
 ### [=Capture the old state=] ### {#capture-old-state-algorithm}