blazein45
diff --git a/‎css-color-4/Overview.bs‎
Lines changed: 83 additions & 34 deletions b/‎css-color-4/Overview.bs‎
Lines changed: 83 additions & 34 deletions
@@ -5259,40 +5259,54 @@ Resolving sRGB values</h3>
 	* ''hsl()'' and ''hsla()'' values
 	* ''hwb()'' values
 	* [=named colors=]
+	* [=system colors=]
+	* <a href="#deprecated-system-colors">deprecated-colors</a>
+
+	If the sRGB color was explicitly specified by the author as a [=named color=],
+	or as a [=system color=],
+	the [=specified value=] is that named or system color, converted to all lowercase.
+
+	<div class="example" id="ex-named-case">
+			<p>The author-provided mixed-case form below has a specified value in all lowercase.</p>
+			<pre class="lang-css"><span class="swatch" style="--color: purple"></span> pUrPlE
+
+			<span class="swatch" style="--color: purple"></span> purple</pre>
+	</div>
+
+	<!-- 
+	This is not observable currently
+	
+	<div class="example" id="ex-hsl-case">
+		<p>For example, the first form below is treated as identical to the second:</p>
+		<pre class="lang-css"><span class="swatch" style="--color: hsl(39 100% 50%)"></span> HsL(39 100% 50%)
+		<span class="swatch" style="--color: hsl(39 100% 50%)"></span> hsl(39 100% 50%)</pre>
+	</div>
 
-		While the function names and named colors
+	 -->
+	
+	<!-- While the function names and named colors
 		are <a href="https://infra.spec.whatwg.org/#ascii-case-insensitive">ASCII case-insensitive</a>,
 		the [=specified value=]
 		does not preserve any mixed casing
-		and is treated as being all lowercase.
+		and is treated as being all lowercase. -->
+
+	
+	Otherwise, the specified, computed and used value
+	is the corresponding sRGB color,
+	paired with the specified alpha channel
+	and defaulting to opaque if unspecified).
 
 	<wpt>
 		parsing/color-computed-rgb.html
 	</wpt>
 
-		<div class="example" id="ex-hsl-case">
-			<p>For example, the first form below is treated as identical to the second:</p>
-			<pre class="lang-css"><span class="swatch" style="--color: hsl(39 100% 50%)"></span> HsL(39 100% 50%)
 
-			<span class="swatch" style="--color: hsl(39 100% 50%)"></span> hsl(39 100% 50%)</pre>
-			<p>Similarly the first form below is treated as identical to the second:</p>
-			<pre class="lang-css"><span class="swatch" style="--color: purple"></span> pUrPlE
-
-			<span class="swatch" style="--color: purple"></span> purple</pre>
-		</div>
-
-		The computed and used value
-		is the corresponding sRGB color,
-		paired with the specified alpha channel
-		and defaulting to opaque if unspecified).
-
-
-		<div class="example" id="ex-hsl-computed">
-			<p>For example, the computed value of</p>
-			<pre class="lang-css"><span class="swatch" style="--color: rgb(255, 165, 0)"></span> hsl(38.824 100% 50%)</pre>
-			<p>is</p>
-			<pre class="lang-css"><span class="swatch" style="--color: rgb(255, 165, 0)"></span> rgb(255, 165, 0)</pre>
-		</div>
+	<div class="example" id="ex-hsl-computed">
+		<p>For example, the computed value of</p>
+		<pre class="lang-css"><span class="swatch" style="--color: rgb(255, 165, 0)"></span> hsl(38.824 100% 50%)</pre>
+		<p>is</p>
+		<pre class="lang-css"><span class="swatch" style="--color: rgb(255, 165, 0)"></span> rgb(255, 165, 0)</pre>
+	</div>
 
 
 <h3 id="resolving-lab-lch-values">
@@ -5453,8 +5467,9 @@ as the string "none".
 Serializing alpha values</h3>
 
 	This applies to any <<color>> value which can take an optional alpha value.
+	It does not apply to the ''opacity'' property.
 
-	If the alpha is exactly 1,
+	If, after clamping to the range [0.0, 1.0] the alpha is exactly 1,
 	it is omitted from the serialization;
 	an implicit value of 1 (fully opaque) is the default.
 
@@ -5516,10 +5531,22 @@ Serializing sRGB values</h3>
 
 	<!-- are all system colors assumed to be sRGB? -->
 
-	is derived from the [=computed value=] and thus,
-	uses either the ''rgb()'' or ''rgba()'' form
-	(depending on whether the alpha is exactly 1, or not),
-	with lowercase letters for the function name.
+	is derived from the [=specified value=].
+	
+	When serializing the value of a property 
+	which was set by the author to a CSS named color, 
+	therefore, for the [=specified value=],
+	the (all lowercase) named value is retained.
+	For the computed and used value,
+	the corresponding sRGB value is used.
+
+	For all other sRGB values,
+	the specified, computed and used value
+	is the corresponding sRGB value.
+
+	Corresponding sRGB values use either the ''rgb()'' or ''rgba()'' form
+	(depending on whether the (clamped) alpha is exactly 1, or not),
+	with all lowercase letters for the function name.
 
 	During serialization,
 	any [=missing=] values
@@ -5532,7 +5559,6 @@ Serializing sRGB values</h3>
 	with a range of [0-255], regardless of
 	the bit depth with which they are stored.
 
-
 	<a href="#serializing-alpha-values">As noted earlier</a>,
 	unitary alpha values are not explicitly serialized.
 	Also, for compatibility, if the alpha is exactly 1,
@@ -5541,7 +5567,6 @@ Serializing sRGB values</h3>
 	otherwise, the ''rgba()'' form is used,
 	with an explicit alpha value.
 
-
 	For compatibility,
 	the legacy form with comma separators is used;
 	exactly one ASCII space follows each comma.
@@ -5557,9 +5582,33 @@ Serializing sRGB values</h3>
 		<p>is the string "rgba(29, 164, 192, 0.95)"</p>
 
+	<div class="example" id="ex-hwb-serial">
+		For example, an author-supplied value:
+
+		<pre class="lang-css">
+			<span class="swatch" style="--color: rgb(70% 36.67% 20% / 0.5)"></span> hwb(740deg 20% 30% / 50%)
+		</pre>
+
+		Would be normalized first to
+
+		<pre class="lang-css">
+			<span class="swatch" style="--color: rgb(70% 36.67% 20% / 0.5)"></span> hwb(20 20% 30% / 50%)
+		</pre>
+
+		and then converted to sRGB and serialized as
+
+		<pre class="lang-css">
+			<span class="swatch" style="--color: rgb(70% 36.67% 20% / 0.5)"></span> rgba(178.5, 93.5, 51, 0.5)
+		</pre>
+
+		The precision of the returned result
+		is <a href="#sRGB-precision">described below</a>.
+
+	</div>
+
 	Note: contrary to CSS Color 3,
 	the parameters of the ''rgb()'' function
-	are of type <<number>> not <<integer>>.
+	are of type <<number>>, not <<integer>>.
 	Thus, any higher precision than eight bits
 	is indicated with a fractional part.
 
@@ -5582,7 +5631,7 @@ Serializing sRGB values</h3>
 	color values returned from
 	<span style="font-family:monospace">getComputedStyle</span>
 	to have <<integer>> component values,
-	are advised to update them to cope with
+	are advised to update them to also cope with
 	<<number>>.
 
 <div class="example" id="ex-rgb-number">
@@ -5596,7 +5645,7 @@ Serializing sRGB values</h3>
 </div>
 
 <div class="example" id="ex-rgb-notrail">
-	<p>The serialized value of </p>
+	<p>The serialized computed value of </p>
 	<pre class="lang-css"><span class="swatch" style="--color: goldenrod"></span> ''goldenrod''</pre>
 	<p>is the string "rgb(218, 165, 32)"
 	and not the string "rgb(218.000, 165.000, 32.000)"</p>