[css-color-5] Define and use "conversion, if required" fix #8452

Author: svgeesus

css-color-5/Overview.bs

@@ -868,9 +868,9 @@ in the range [0, 360].
 
 </div>
 
-If the [=origin color=] was originally specified with a different color function,
+<p id="required-conversion">If the [=origin color=] was <dfn>originally specified</dfn> with a different color function,
 it's first converted into the chosen color function,
-so it has meaningful values for the channels.
+so it has meaningful values for the channels.</p>
 
 <div class=example>
 	By using the [=channel keywords=] in a [=math function=],
@@ -1018,7 +1018,7 @@ the allowed [=channel keywords=] are:
 * <dfn value for="rgb()">r</dfn>, <dfn value for="rgb()">g</dfn>, and <dfn value for="rgb()">b</dfn>
 	are all  <<number>>s
 	that correspond to the [=origin color's=] red, green, and blue channels
-	after its conversion to sRGB. 
+	after <a href="#required-conversion">conversion, if required</a> to sRGB. 
 	255.0 is equivalent to 100%.
 * <dfn value for="rgb()">alpha</dfn> is a <<number>> that corresponds to the [=origin color's=] alpha transparency
 
@@ -1076,12 +1076,12 @@ the allowed [=channel keywords=] are:
 
 * <dfn value for="hsl()">h</dfn> is an <<angle>>
 	that corresponds to the [=origin color's=] HSL hue
-	after its conversion to sRGB,
+	after <a href="#required-conversion">conversion, if required</a> to sRGB,
 	normalized to a [0, 360] range
 * <dfn value for="hsl()">s</dfn> and <dfn value for="hsl()">l</dfn>
 	are <<percentage>>s that correspond to the [=origin color's=] 
 	HSL saturation and lightness,
-	after its conversion to sRGB
+	after <a href="#required-conversion">conversion, if required</a> to sRGB
 * <dfn value for="hsl()">alpha</dfn> is a <<number>> that corresponds to the [=origin color's=] alpha transparency
 
 <div class="example">
@@ -1113,11 +1113,11 @@ the allowed [=channel keywords=] are:
 
 * <dfn value for="hwb()">h</dfn> is an <<angle>>
 	that corresponds to the [=origin color's=] HWB hue
-	after its conversion to sRGB,
+	after <a href="#required-conversion">conversion, if required</a> to sRGB,
 	normalized to a [0, 360] range
 * <dfn value for="hwb()">w</dfn> and <dfn value for="hwb()">b</dfn>
 	are <<percentage>>s that correspond to the [=origin color's=] HWB whiteness and blackness
-	after its conversion to sRGB
+	after <a href="#required-conversion">conversion, if required</a> to sRGB
 * <dfn value for="hwb()">alpha</dfn> is a <<number>> that corresponds to the [=origin color's=] alpha transparency
 
 <h3 id="relative-Lab">Relative Lab Colors</h3>
@@ -1138,8 +1138,10 @@ the allowed [=channel keywords=] are:
 
 * <dfn value for="lab()">l</dfn> is a <<number>>
 	that corresponds to the [=origin color's=] CIE Lightness
+	after <a href="#required-conversion">conversion, if required</a>, to CIE Lab
 * <dfn value for="lab()">a</dfn> and <dfn value for="lab()">b</dfn> are <<number>>s
 	that correspond to the [=origin color's=] CIELab a and b axes
+	after <a href="#required-conversion">conversion, if required</a>, to CIE Lab
 * <dfn value for="lab()">alpha</dfn> is a <<number>> that corresponds to the [=origin color's=] alpha transparency
 
 <div class="example">
@@ -1185,8 +1187,10 @@ the allowed [=channel keywords=] are:
 
 * <dfn value for="oklab()">l</dfn> is a  <<number>>
 	that corresponds to the [=origin color's=] Oklab Lightness
+	after <a href="#required-conversion">conversion, if required</a>, to Oklab
 * <dfn value for="oklab()">a</dfn> and <dfn value for="oklab()">b</dfn> are <<number>>s
 	that correspond to the [=origin color's=] Oklab a and b axes
+	after <a href="#required-conversion">conversion, if required</a>, to Oklab
 * <dfn value for="oklab()">alpha</dfn> is a <<number>> that corresponds to the [=origin color's=] alpha transparency
 
 <h3 id="relative-LCH">Relative LCH Colors</h3>
@@ -1207,10 +1211,13 @@ the allowed [=channel keywords=] are:
 
 * <dfn value for="lch()">l</dfn> is a <<number>>
 	that corresponds to the [=origin color's=] CIE Lightness
+	after <a href="#required-conversion">conversion, if required</a>, to CIE LCH
 * <dfn value for="lch()">c</dfn> is a  <<number>>
 	that corresponds to the [=origin color's=] LCH chroma
+	after <a href="#required-conversion">conversion, if required</a>, to CIE LCH
 * <dfn value for="lch()">h</dfn> is an <<angle>>
 	that corresponds to the [=origin color's=] LCH hue,
+	after <a href="#required-conversion">conversion, if required</a>, to CIE LCH,
 	normalized to a [0, 360] range.
 * <dfn value for="lch()">alpha</dfn> is a <<number>> that corresponds to the [=origin color's=] alpha transparency
 
@@ -1337,10 +1344,13 @@ the allowed [=channel keywords=] are:
 
 * <dfn value for="oklch()">l</dfn> is a  <<number>>
 	that corresponds to the [=origin color's=] Oklab Lightness
+	after <a href="#required-conversion">conversion, if required</a>, to Oklch
 * <dfn value for="oklch()">c</dfn> is a  <<number>>
 	that corresponds to the [=origin color's=] Oklch chroma
+	after <a href="#required-conversion">conversion, if required</a>, to Oklch
 * <dfn value for="oklch()">h</dfn> is an <<angle>>
 	that corresponds to the [=origin color's=] Oklch hue,
+	after <a href="#required-conversion">conversion, if required</a>, to Oklch,
 	normalized to a [0, 360] range.
 * <dfn value for="oklch()">alpha</dfn> is a <<number>> that corresponds to the [=origin color's=] alpha transparency
 
@@ -1437,22 +1447,22 @@ the number and name of the allowed [=channel keywords=] are:
 * defined by the '@color-profile/components' descriptor on the corresponding ''@color-profile'',
 	if present;
 	otherwise, no relative color manipulation is valid. They are <<number>>s that correspond to the [=origin color's=] channels
-	after its conversion to the color space of the color profile. The value 1.0 corresponds to 100%.
+	after <a href="#required-conversion">conversion, if required</a> to the color space of the color profile. The value 1.0 corresponds to 100%.
 
 Within a [=relative color=] syntax ''color()'' function using <<predefined-rgb-params>>,
 the allowed [=channel keywords=] are:
 
 * <dfn value for="color()">r</dfn>, <dfn value for="color()">g</dfn>, and <dfn value for="color()">b</dfn>
 	are all <<number>>s
 	that correspond to the [=origin color's=] red, green, and blue channels
-	after its conversion to the predefined RGB color space.
+	after <a href="#required-conversion">conversion, if required</a> to the predefined RGB color space.
 
 Within a [=relative color=] syntax ''color()'' function using <<xyz-params>>,
 the allowed [=channel keywords=] are:
 
 * <dfn value for="color()">x</dfn>, <dfn value for="color()">y</dfn>, <dfn value for="color()">z</dfn> are all <<number>>s
 	that correspond to the [=origin color's=] X, Y and Z channels
-	after its conversion to relative CIE XYZ color space
+	after <a href="#required-conversion">conversion, if required</a> to relative CIE XYZ color space
 	adapted to the relevant white point.
 
 	The parameters have the following form:
@@ -2871,7 +2881,7 @@ No new privacy considerations have been reported on this specification.
 	<li>Fixed a typo in definition of rgb()</li>
 	<li>Editorial improvements (capitalization, spelling, clarity)</li>
 	<li>Exported definitions for other specifications to use</li>
-	<li> Add missing 'none' to alpha in grammar of color()</li>
+	<li> Add missing ''none'' to alpha in grammar of color()</li>
 	<li>Moved the color-contrast() function to level 6</li>
 </ul>