cleanup

Author: svgeesus

css-color-4/Overview.bs

@@ -6734,18 +6734,18 @@ Resolving values of the ''color()'' function</h3>
 	* ''color>/currentcolor''.
 
 	If the color was explicitly specified by the author 
-	as a [=system colors=]
+	as a [=system color=]
 	or deprecated system color,
 	the [=declared value=] is itself, converted to
 	<a href="https://infra.spec.whatwg.org/#ascii-lowercase">ASCII lowercase</a>.
 
 	The computed and used value
 	is the corresponding color in its color space.
 	paired with the specified alpha component
-	(after clamping to [0, 1])
-	and defaulting to opaque if unspecified).
+	(after clamping to [0, 1]).
 
-	However, such colors must not be altered by
+	However, system colors and deprecated system colors 
+	must not be altered by
 	[=forced colors mode=].