From 4bd17d41649d7e6ab3db442ac3a4e0ad15abfe03 Mon Sep 17 00:00:00 2001
From: Anders <andruud@dib.lan>
Date: Mon, 30 Oct 2023 11:55:21 +0100
Subject: [PATCH] [css-typed-om] Simplify CSSMathValues when creating internal
 rep.

#9451
---
 css-typed-om/Overview.bs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/css-typed-om/Overview.bs b/css-typed-om/Overview.bs
index 6efdbcbf..412182b7 100644
--- a/css-typed-om/Overview.bs
+++ b/css-typed-om/Overview.bs
@@ -627,6 +627,9 @@ probably in an appendix.
         replace that value with the result of wrapping it in a fresh {{CSSMathSum}}
         whose {{CSSMathSum/values}} internal slot contains only that part of |value|.
 
+        If |value| is a {{CSSMathValue}},
+        replace it with the corresponding [=simplify a calculation tree|simplified=] value.
+
         Return the |value|.
 
     : If |value| is a {{USVString}},