[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)