[css-scrollbars] Reset 'scrollbar-color' in forced colors mode. w3c#5778

Author: fantasai

css-color-adjust-1/Overview.bs

@@ -396,6 +396,7 @@ Properties Affected by Forced Colors Mode {#forced-colors-properties}
 	* 'background-image' computes to ''background-image/none''
 		unless the original value contains a ''url()'' function
 	* 'color-scheme' computes to ''light dark''
+	* 'scrollbar-color' computes to ''scrollbar-color/auto''
 
 	UAs may further tweak these <a>forced colors mode</a> heuristics
 	to provide better user experience.
@@ -551,6 +552,14 @@ Acknowledgements {#acknowledgements}
 Changes {#changes}
 =======
 
+	Changes since the <a href="https://www.w3.org/TR/2020/WD-css-color-adjust-1-20201109/">9 NOvember 2020 Working Draft</a>:
+
+	<ul>
+		<li>Added 'scrollbar-color' reset to [=forced colors mode=].
+			(<a href="https://github.com/w3c/csswg-drafts/issues/5778">Issue 5778</a>)
+	</ul>
+
+
 	Changes since the <a href="https://www.w3.org/TR/2020/WD-css-color-adjust-1-20200402/">2 April 2020 Working Draft</a>:
 
 	<ul>