From f718b7ac343a2aaabb721edc4f989fd97821b614 Mon Sep 17 00:00:00 2001
From: Guillaume <gui.lebas@gmail.com>
Date: Sun, 7 Sep 2025 17:23:33 +0200
Subject: [PATCH] [css-masking-1][editorial] Negative mask-border-outset values
 are invalid

---
 css-masking-1/Overview.bs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/css-masking-1/Overview.bs b/css-masking-1/Overview.bs
index 19d5c95..6c82bbb 100644
--- a/css-masking-1/Overview.bs
+++ b/css-masking-1/Overview.bs
@@ -1070,7 +1070,7 @@ Note: For SVG elements without an associated layout box the 'border-width' is co
 
 <pre class=propdef>
 Name: mask-border-outset
-Value: [ <<length>> | <<number>> ]{1,4}
+Value: [ <<length [0,∞]>> | <<number [0,∞]>> ]{1,4}
 Initial: 0
 Applies to: All elements. In SVG, it applies to <a>container elements</a> excluding the <a element>defs</a> element, all <a>graphics elements</a> and the <a element>use</a> element
 Inherited: no