[css-color-4] Unbounded HSL, see #8444

Author: svgeesus

css-color-4/Overview.bs

@@ -2032,11 +2032,12 @@ HSL Colors: ''hsl()'' and ''hsla()'' functions</h2>
 	and ''0%'' is a fully-unsaturated gray.
 	For lightness, ''50%'' represents the "normal" color,
 	while ''100%'' is white and ''0%'' is black.
+	<!--  unbounded hsl
 	If the saturation or lightness are less than ''0%''
 	or greater than ''100%'',
 	they are clamped to those values
 	at parsed-value time,
-	before being converted to an sRGB color.
+	before being converted to an sRGB color. -->
 
 	The final argument specifies the alpha channel of the color.
 	It's interpreted identically to the fourth argument of the ''rgb()'' function.
@@ -2072,9 +2073,10 @@ HSL Colors: ''hsl()'' and ''hsla()'' functions</h2>
 		</pre>
 	</div>
 
+	<!-- unbounded hsl
 	An advantage of HSL over LCH is that,
 	regardless of manipulation,
-	the result always lies inside the sRGB gamut.
+	the result always lies inside the sRGB gamut. -->
 	A disadvantage of HSL over LCH
 	is that hue manipulation changes the visual lightness,
 	and that hues are not evenly spaced apart.
@@ -4274,9 +4276,10 @@ with white point |dest-white|:
 	then |col2| must be [=css gamut mapped=]
 	so that it [=can be displayed=].
 
+	<!-- unbounded hsl
 	<li id="convert-hslhwb">If |dest| cannot represent [=out of gamut=] colors,
 	for example ''hsl'' or ''hwb'',
-	then |col2| must be [=css gamut mapped=].
+	then |col2| must be [=css gamut mapped=]. -->
 
 	<li id="convert-rectpol">If |dest-rect| is not the same as |dest|,
 	in other words |dest| is a <a>cylindrical polar color</a> representation,
@@ -5122,13 +5125,16 @@ CSS Gamut Mapping to an RGB Destination</h3>
 	which are out of gamut
 	of an RGB display
 	and thus require to be <dfn export>css gamut mapped</dfn>.
+
+	<!-- unbounded hsl
 	It also applies to colors being converted
 	to HSL or HWB, which cannot express
-	colors outside the sRGB gamut.
+	colors outside the sRGB gamut. -->
+
 	It implements a relative colorimetric intent,
 	and colors inside the destination gamut are unchanged.
 
-	<wpt>
+	<wpt ignore>
 		parsing/gamut-mapping.html
 	</wpt>
 
@@ -5242,9 +5248,10 @@ Sample Pseudocode for the Binary Search Gamut Mapping Algorithm with Local MINDE
 			<li>return |current| as the gamut mapped color</li>
 		</ol>
 
-	<wpt>
+	<!-- unbounded hsl
+	<wpt ignore>
 		parsing/gamut-mapping.html
-	</wpt>
+	</wpt> -->
 
 
 <!-- color(display-p3 1 1 0)