From a7bc3fb7d772a12f12eb82b2c7c9d2055a3c938d Mon Sep 17 00:00:00 2001
From: Dave Letorey <dave@code-red.uk>
Date: Fri, 17 Jul 2026 12:03:59 +0100
Subject: [PATCH 1/2] added data for link-parameters property and param()
 function

---
 css/functions.json  |  8 ++++++++
 css/properties.json | 16 ++++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/css/functions.json b/css/functions.json
index a6db31697..760a21306 100644
--- a/css/functions.json
+++ b/css/functions.json
@@ -463,6 +463,14 @@
     "status": "standard",
     "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/font-palette/palette-mix"
   },
+  "param()": {
+    "syntax": "mod( <dashed-ident>, <declaration-value>? )",
+    "groups": [
+      "CSS Values and Units"
+    ],
+    "status": "standard",
+    "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/param"
+  },
   "path()": {
     "syntax": "path( <'fill-rule'>? , <string> )",
     "groups": [
diff --git a/css/properties.json b/css/properties.json
index 81d6577a0..e94bc1599 100644
--- a/css/properties.json
+++ b/css/properties.json
@@ -7405,6 +7405,22 @@
     "status": "experimental",
     "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/line-height-step"
   },
+  "link-parameters": {
+    "syntax": "none | <param()>#",
+    "media": "visual",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "n/a",
+    "groups": [
+      "CSS Values and Units"
+    ],
+    "initial": "none",
+    "appliesto": "allElementsAndPseudos",
+    "computed": "asSpecified",
+    "order": "perGrammar",
+    "status": "experimental",
+    "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/link-parameters"
+  },
   "list-style": {
     "syntax": "<'list-style-type'> || <'list-style-position'> || <'list-style-image'>",
     "media": "visual",

From f3d46291a627bc37e0112f696d032e4d33bf5066 Mon Sep 17 00:00:00 2001
From: Dave Letorey <dave@code-red.uk>
Date: Mon, 20 Jul 2026 14:12:21 +0100
Subject: [PATCH 2/2] corrected the percentage value

---
 css/properties.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/css/properties.json b/css/properties.json
index e94bc1599..5f7acb227 100644
--- a/css/properties.json
+++ b/css/properties.json
@@ -7410,7 +7410,7 @@
     "media": "visual",
     "inherited": false,
     "animationType": "discrete",
-    "percentages": "n/a",
+    "percentages": "no",
     "groups": [
       "CSS Values and Units"
     ],