From fb91a5c0f5bd6ea145468ce25f1585e6c57648a2 Mon Sep 17 00:00:00 2001
From: Pu Xingyu <pu.stshine@gmail.com>
Date: Wed, 31 May 2023 19:25:01 +0800
Subject: [PATCH] style: Enable 'column-span' for layout 2020

---
 components/style/properties/longhands/column.mako.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/components/style/properties/longhands/column.mako.rs b/components/style/properties/longhands/column.mako.rs
index 747a1c2db0a..3907cbf5f05 100644
--- a/components/style/properties/longhands/column.mako.rs
+++ b/components/style/properties/longhands/column.mako.rs
@@ -67,7 +67,8 @@ ${helpers.predefined_type(
 ${helpers.single_keyword(
     "column-span",
     "none all",
-    engines="gecko",
+    engines="gecko servo-2020",
+    servo_2020_pref="layout.2020.unimplemented",
     animation_value_type="discrete",
     gecko_enum_prefix="StyleColumnSpan",
     spec="https://drafts.csswg.org/css-multicol/#propdef-column-span",