[css-color-4] Drop the "representing black" and "representing white", #8794

Author: svgeesus

css-color-4/Overview.bs

@@ -3160,9 +3160,7 @@ Specifying Lab and LCH: the ''lab()'' and ''lch()'' functional notations</h3>
 	In <dfn value export for="lab()">Lab</dfn>,
 	the first argument specifies the CIE Lightness, L.
 	This is a number between ''0%'' or 0
-	(representing black)
 	and ''100%'' or 100
-	(representing white),
 	Values less than ''0%'' or 0 must be clamped to ''0%'' at parsed-value time;
 	values greater than
 	''100%'' or 100 are clamped to ''100%'' at parsed-value time.
@@ -3325,9 +3323,7 @@ Specifying Lab and LCH: the ''lab()'' and ''lch()'' functional notations</h3>
 	In <dfn value export for="oklab()">Oklab</dfn>
 	the first argument specifies the Oklab Lightness.
 	This is a number between ''0%'' or 0
-	(representing black)
-	and ''100%'' or 1.0
-	(representing white).
+	and ''100%'' or 1.0.
 
 	Values less than ''0%'' or 0.0 must be clamped to ''0%''
 	at parsed-value time;