From 2a85a9093d6b8da892d5118413ea94922c9dfd72 Mon Sep 17 00:00:00 2001
From: Jake Hotson <jake.github@qzdesign.co.uk>
Date: Wed, 5 Mar 2025 12:24:22 +0000
Subject: [PATCH] Deprecate support for `-webkit-calc` and `-moz-calc`

---
 CHANGELOG.md               | 1 +
 src/Value/CalcFunction.php | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index e69f6243..119d0023 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,6 +19,7 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 
 ### Deprecated
 
+- Deprecate support for `-webkit-calc` and `-moz-calc` (#1086)
 - Deprecate `__toString()` (#1006)
 - Deprecate greedy calculation of selector specificity (#1018)
 - Deprecate the IE hack in `Rule` (#993, #1003)
diff --git a/src/Value/CalcFunction.php b/src/Value/CalcFunction.php
index 70f2f458..c3ed0a08 100644
--- a/src/Value/CalcFunction.php
+++ b/src/Value/CalcFunction.php
@@ -6,6 +6,9 @@
 use Sabberworm\CSS\Parsing\UnexpectedEOFException;
 use Sabberworm\CSS\Parsing\UnexpectedTokenException;
 
+/**
+ * Support for `-webkit-calc` and `-moz-calc` is deprecated in version 8.8.0, and will be removed in version 9.0.0.
+ */
 class CalcFunction extends CSSFunction
 {
     /**