[css-color-5] Non-RCS modern hsl & hsla also allows mixed num-pct w3c#8231

Author: svgeesus

css-color-5/Overview.bs

@@ -1006,8 +1006,12 @@ However, if calculations are done on missing values, ''none'' is treated as 0.
 The grammar of the [=modern color syntax=] ''rgb()'' and ''rgba()'' functions are extended as follows:
 
 <pre class='prod'>
-	<dfn>rgb()</dfn> = rgb( [ from <<color>> ]? [ <<number>> | <<percentage>> | none]{3} [ / [<<alpha-value>> | none] ]?  )
-	<dfn>rgba()</dfn> = rgba( [ from <<color>> ]? [ <<number>> | <<percentage>> | none]{3} [ / [<<alpha-value>> | none] ]?  )
+	<dfn>rgb()</dfn> = rgb( [ from <<color>> ]? 
+					[ <<number>> | <<percentage>> | none]{3} 
+					[ / [<<alpha-value>> | none] ]?  )
+	<dfn>rgba()</dfn> = rgba( [ from <<color>> ]? 
+					[ <<number>> | <<percentage>> | none]{3} 
+					[ / [<<alpha-value>> | none] ]?  )
 	<dfn>&lt;alpha-value></dfn> = <<number>> | <<percentage>>
 	</pre>
 
@@ -1060,18 +1064,23 @@ Relative sRGB color syntax is <em>only</em> applicable to the non-legacy RGB syn
 
 <h3 id="relative-HSL">Relative HSL Colors</h3>
 
-The grammar of the ''hsl()'' function is extended as follows:
+The grammar of the ''hsl()'' and ''hsla()'' functions is extended as follows:
 
 <pre class='prod'>
 <dfn>hsl()</dfn> = hsl([from <<color>>]?
-			  [<<hue>> | none]
-			  [<<percentage>> | <<number>> | none]
-			  [<<percentage>> | <<number>> | none]
-			  [ / [<<alpha-value>> | none] ]? )
+				  [<<hue>> | none]
+				  [<<percentage>> | <<number>> | none]
+				  [<<percentage>> | <<number>> | none]
+				  [ / [<<alpha-value>> | none] ]? )
+<dfn>hsla()</dfn> = hsla([from <<color>>]?
+				[<<hue>> | none]
+				[<<percentage>> | <<number>> | none]
+				[<<percentage>> | <<number>> | none]
+				[ / [<<alpha-value>> | none] ]? )
 </pre>
 
 
-Within a [=relative color=] syntax ''hsl()'' function,
+Within a [=relative color=] syntax ''hsl()'' or ''hsla()'' function,
 the allowed [=channel keywords=] are:
 
 * <dfn value for="hsl()">h</dfn> is an <<angle>>