[css-text-4][editorial] Minor improvements to writing systems notes (resync)

Author: fantasai

css-text-4/Overview.bs

@@ -5941,14 +5941,14 @@ Line Breaking and Word Boundaries</h2>
 	</wpt>
 
 	In some other writing systems,
+	notably Brahmic scripts such as Javanese and Balinese,
 	[=soft wrap opportunities=] are based on orthographic syllable boundaries,
 	not word boundaries.
-	Some of these systems,
-	notably Brahmic scripts such as Javanese and Balinese,
-	require analysis of the text to find breaking opportunities.
-	However, this type of orthographic analysis
+	Although orthographic syllable breaking
 	does not depend on the [=content language=]
-	or require lexical resource.
+	or require lexical resource,
+	it nonetheless requires analysis of the text
+	to find breaking opportunities.
 
 	<wpt>
 	</wpt>