[css-color-adjust-1] Rewrite color forcing based on rewriting author declarations instead of 'revert' keywords. #4020

Author: fantasai

css-color-adjust-1/Overview.bs

@@ -367,26 +367,30 @@ Properties Affected by Forced Colors Mode {#forced-colors-properties}
 	and 'forced-color-adjust' is ''forced-color-adjust/auto'' (see below),
 	colors must be force-adjusted to the user’s preferred color palette.
 
-	The following <a>user origin</a> declarations [[!CSS-CASCADE-4]]
-	are applied to the element:
+	Any [=author origin=] declaration of the following properties
+	on any element
+	(including any declarations representing a non-CSS presentational hint)
+	is rewritten to specify ''revert'':
 
-	<pre>
-		color: revert !important;
-		fill: revert !important;
-		stroke: revert !important;
-		text-decoration-color: revert !important;
-		text-emphasis-color: revert !important;
-		border-color: revert !important;
-		outline-color: revert !important;
-		column-rule-color: revert !important;
-		scrollbar-color: revert !important;
-		-webkit-tap-highlight-color: revert !important; /* ISSUE: This is not in a spec anywhere! */
-
-		box-shadow: none !important;
-		text-shadow: none !important;
+	<ul>
+		<li>'color'
+		<li>'fill'
+		<li>'stroke'
+		<li>'text-decoration-color'
+		<li>'text-emphasis-color'
+		<li>'border-color'
+		<li>'outline-color'
+		<li>'column-rule-color'
+		<li>'scrollbar-color'
+		<li>'-webkit-tap-highlight-color'
+		<li>'box-shadow'
+		<li>'text-shadow'
 	</pre>
 
-	Based on its resulting [=computed value|computed=] 'color' value,
+	Additionally, on <em>on user input controls (except button-like controls) only</em>,
+	'background-image'.
+
+	Based on the resulting [=computed value|computed=] 'color' value,
 	the [computed|used] 'background-color' of an element is forced
 	by matching all channels other than alpha
 	to the appropriate forced background color;
@@ -395,16 +399,13 @@ Properties Affected by Forced Colors Mode {#forced-colors-properties}
 	(see [[!CSS-COLOR-4]]),
 	and ''Canvas'' otherwise.
 
-	Additionally, on <em>on user input controls (except button-like controls) only</em>:
-	<pre>
-		background-image: none !important;
-	</pre>
-
 	UA may further tweak these <a>forced colors mode</a> heuristics
 	to provide better user experience.
 
 	Note: See [[CSS-CASCADE-4]] for information about
-	[=cascade origins=] and the ''revert'' keyword.
+	[=cascade origins=],
+	[[css-cascade-4#preshint|non-CSS presentational hints]],
+	and the ''revert'' keyword.
 
 Opting Out of a Forced Color Scheme: the 'forced-color-adjust' property {#forced-color-adjust-prop}
 -----------------------------------------------------------------