[css-color-4] Clarified, color components must not be mixed, w3c#8231

Author: svgeesus

css-color-4/Overview.bs

@@ -926,7 +926,7 @@ Legacy (Comma-separated) Color Function Syntax</h4>
 		(optionally preceded and/or followed by whitespace)
 	* minimum required precision is lower, 8 bits per component
 	* the ''none'' value is not allowed
-	* components must be specified using either all-<<percentage>>
+	* color components must be specified using either all-<<percentage>>
 		or all-<<number>>, they can not be mixed.
 
 	<div class=example id="example-rgba-legacy">
@@ -6513,6 +6513,7 @@ Changes</h2>
 
 <ul>
 	<!-- to 10 May 2023 -->
+	<li>Clarified for legacy syntax that color components must be all-percentage or all-number</li>
 	<li>Added examples of specified out of range alpha, with and without calc()</li>
 	<li>Placed examples of serializing with trimmed trailing zeroes clorer to the relevant text</li>
 	<li>clarified example, used value of text-shadow</li>