[mediaqueries-4][editorial] Fixed Bikeshed issues and updated WPTs

Author: SebastianZ

mediaqueries-4/Overview.bs

@@ -1120,6 +1120,7 @@ Error Handling</h3>
 	</div>
 
 	<wpt>
+		duplicate-media-stylesheet-crash.html
 		mq-invalid-media-type-001.html
 		mq-invalid-media-type-002.html
 		mq-invalid-media-type-003.html
@@ -1286,7 +1287,7 @@ Display Resolution: the '@media/resolution' feature</h3>
 
 	The '@media/resolution' media feature describes the resolution of the output
 	device, i.e. the density of the pixels, taking into account the <a spec=cssom-view>page zoom</a>
-	but assuming a <a spec=cssom-view>pinch zoom</a> of 1.0.
+	but assuming a <a spec=cssom-view>scale factor</a> of 1.0.
 
 	The '@media/resolution' media feature is <a>false in the negative range</a>
 
@@ -2286,7 +2287,7 @@ Changes since the 21 July 2020 Candidate Recommendation</h3>
 The following changes were made to this specification since the
 <a href="https://www.w3.org/TR/2020/CR-mediaqueries-4-20200721/">21 July 2020 Candidate Recommendation</a>:
 
-* Allow empty functions in <general-enclosed>
+* Allow empty functions in <<general-enclosed>>
 	(see <a href="https://github.com/w3c/csswg-drafts/issues/6803">Issue 6803</a>).
 * Editorial tweak to how the grammar is defined
 	(see <a href="https://github.com/w3c/csswg-drafts/issues/6806">Issue 6806</a>).
@@ -2524,7 +2525,9 @@ Yes, as described in the prose above this questionnaire.
 </dl>
 
 <wpt hidden title="Media Queries 5 tests">
+	at-custom-media-basic.html
 	at-custom-media-cssom.html
+	at-custom-media-parsing.html
 	display-mode.html
 	dynamic-range.html
 	forced-colors.html