From 4b347f6b00de4729a1d463a93137c4380b58ba16 Mon Sep 17 00:00:00 2001
From: Jordan Pittman <jordan@cryptica.me>
Date: Wed, 3 Jan 2024 12:27:35 -0500
Subject: [PATCH 1/3] =?UTF-8?q?Don=E2=80=99t=20break=20gradient=20function?=
 =?UTF-8?q?s=20when=20following=20`calc()`?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/util/dataTypes.js              | 7 +++++++
 tests/normalize-data-types.test.js | 6 ++++++
 2 files changed, 13 insertions(+)

diff --git a/src/util/dataTypes.js b/src/util/dataTypes.js
index 7d8224606958..e65a517106aa 100644
--- a/src/util/dataTypes.js
+++ b/src/util/dataTypes.js
@@ -107,6 +107,13 @@ function normalizeMathOperatorSpacing(value) {
     'keyboard-inset-left',
     'keyboard-inset-width',
     'keyboard-inset-height',
+
+    'radial-gradient',
+    'linear-gradient',
+    'conic-gradient',
+    'repeating-radial-gradient',
+    'repeating-linear-gradient',
+    'repeating-conic-gradient',
   ]
 
   return value.replace(/(calc|min|max|clamp)\(.+\)/g, (match) => {
diff --git a/tests/normalize-data-types.test.js b/tests/normalize-data-types.test.js
index f01efa5e608b..241ad78b506e 100644
--- a/tests/normalize-data-types.test.js
+++ b/tests/normalize-data-types.test.js
@@ -86,6 +86,12 @@ let table = [
   // Prevent formatting keywords
   ['minmax(min-content,25%)', 'minmax(min-content,25%)'],
 
+  // Prevent formatting keywords
+  [
+    'radial-gradient(calc(1+2)),radial-gradient(calc(1+2))',
+    'radial-gradient(calc(1 + 2)),radial-gradient(calc(1 + 2))',
+  ],
+
   // Misc
   ['color(0_0_0/1.0)', 'color(0 0 0/1.0)'],
   ['color(0_0_0_/_1.0)', 'color(0 0 0 / 1.0)'],

From aaf2abc34d54a841e7c3f699df6f70b5fa4380ac Mon Sep 17 00:00:00 2001
From: Jordan Pittman <jordan@cryptica.me>
Date: Wed, 3 Jan 2024 12:42:04 -0500
Subject: [PATCH 2/3] =?UTF-8?q?Don=E2=80=99t=20break=20CSS=20grid=20track?=
 =?UTF-8?q?=20names?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/util/dataTypes.js              | 5 +++++
 tests/normalize-data-types.test.js | 4 ++++
 2 files changed, 9 insertions(+)

diff --git a/src/util/dataTypes.js b/src/util/dataTypes.js
index e65a517106aa..6705f10ca230 100644
--- a/src/util/dataTypes.js
+++ b/src/util/dataTypes.js
@@ -169,6 +169,11 @@ function normalizeMathOperatorSpacing(value) {
         result += consumeUntil([')'])
       }
 
+      // Don't break CSS grid track names
+      else if (peek('[')) {
+        result += consumeUntil([']'])
+      }
+
       // Handle operators
       else if (
         ['+', '-', '*', '/'].includes(char) &&
diff --git a/tests/normalize-data-types.test.js b/tests/normalize-data-types.test.js
index 241ad78b506e..224203ffe14c 100644
--- a/tests/normalize-data-types.test.js
+++ b/tests/normalize-data-types.test.js
@@ -91,6 +91,10 @@ let table = [
     'radial-gradient(calc(1+2)),radial-gradient(calc(1+2))',
     'radial-gradient(calc(1 + 2)),radial-gradient(calc(1 + 2))',
   ],
+  [
+    '[content-start]_calc(100%-1px)_[content-end]_minmax(1rem,1fr)',
+    '[content-start] calc(100% - 1px) [content-end] minmax(1rem,1fr)',
+  ],
 
   // Misc
   ['color(0_0_0/1.0)', 'color(0 0 0/1.0)'],

From 3a42e7566cf0a5ebd793942c5dfbaffb0443f3c8 Mon Sep 17 00:00:00 2001
From: Jordan Pittman <jordan@cryptica.me>
Date: Wed, 3 Jan 2024 12:52:43 -0500
Subject: [PATCH 3/3] Update changelog

---
 CHANGELOG.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index d4db9a8759f1..a6e987d0e19b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 
 - Don't remove keyframe stops when using important utilities ([#12639](https://github.com/tailwindlabs/tailwindcss/pull/12639))
+- Don't add spaces to gradients and grid track names when followed by `calc()` ([#12704](https://github.com/tailwindlabs/tailwindcss/pull/12704))
 
 ### Added