[css-values-4] Define that a percent resolved against another type has that type as a percent hint. #10017

tabatkins · tabatkins · commit d6c1c0d0cfc9 · 2024-02-29T13:50:44.000-08:00
diff --git a/css-values-4/Overview.bs b/css-values-4/Overview.bs
@@ -4282,7 +4282,9 @@ Type Checking</h3>
 			[=multiply two types|multiplying=] the |left type| and |right type|.
 
 		* Anything else is a terminal value,
-			whose [=CSSNumericValue/type=] is determined based on its CSS type:
+			whose [=CSSNumericValue/type=] is determined based on its CSS type.
+			(Unless otherwise specified,
+			the type's associated[=percent hint=] is null.)
 
 			<dl class=switch>
 				: <<number>>
@@ -4309,15 +4311,14 @@ Type Checking</h3>
 					<<percentage>>s are resolved relative to another type of value
 					(such as in 'width', where <<percentage>> is resolved against a <<length>>),
 					and that other type is <em>not</em> <<number>>,
-					the [=CSSNumericValue/type=] is determined as the other type.
+					the [=CSSNumericValue/type=] is determined as the other type,
+					but with a [=percent hint=] set to that other type.
 
 					Otherwise,
 					the [=CSSNumericValue/type=] is «[ "percent" → 1 ]».
 				: anything else
 				:: The [=calculation’s=] type is failure.
 			</dl>
-
-			In all cases, the associated [=percent hint=] is null.
 	</div>
 
 	[=Math functions=] themselves have [=CSSNumericValue/types=],
