From d296d9f56858f1c31fefe22871d58c8247361446 Mon Sep 17 00:00:00 2001
From: coyaSONG <66289470+coyaSONG@users.noreply.github.com>
Date: Sat, 18 Jul 2026 12:34:43 +0900
Subject: [PATCH 1/2] Highlight Rust async and await keywords

---
 assets/patches/Rust.sublime-syntax.patch      | 3 +++
 tests/syntax-tests/highlighted/Rust/output.rs | 4 ++++
 tests/syntax-tests/source/Rust/output.rs      | 4 ++++
 3 files changed, 11 insertions(+)

diff --git a/assets/patches/Rust.sublime-syntax.patch b/assets/patches/Rust.sublime-syntax.patch
index 3bd745e28f..6bac81cdf0 100644
--- a/assets/patches/Rust.sublime-syntax.patch
+++ b/assets/patches/Rust.sublime-syntax.patch
@@ -2,6 +2,9 @@ diff --git syntaxes/01_Packages/Rust/Rust.sublime-syntax syntaxes/01_Packages/Ru
 index 3c354486..24727a4e 100644
 --- syntaxes/01_Packages/Rust/Rust.sublime-syntax
 +++ syntaxes/01_Packages/Rust/Rust.sublime-syntax
+@@ -139 +139 @@ contexts:
+-    - match: \b(break|else|for|if|loop|match|while|continue)\b
++    - match: \b(async|await|break|else|for|if|loop|match|while|continue)\b
 @@ -907,6 +907,8 @@ contexts:
      - include: type-any-identifier
      - match: ':'
diff --git a/tests/syntax-tests/highlighted/Rust/output.rs b/tests/syntax-tests/highlighted/Rust/output.rs
index 14755cf6d0..7394989f41 100644
--- a/tests/syntax-tests/highlighted/Rust/output.rs
+++ b/tests/syntax-tests/highlighted/Rust/output.rs
@@ -159,3 +159,7 @@
         }
     }
 }
+
+async fn foo() {
+    async_foo().await.await.await;
+}
diff --git a/tests/syntax-tests/source/Rust/output.rs b/tests/syntax-tests/source/Rust/output.rs
index e7d59d6707..027fca98a3 100644
--- a/tests/syntax-tests/source/Rust/output.rs
+++ b/tests/syntax-tests/source/Rust/output.rs
@@ -159,3 +159,7 @@ impl Drop for OutputType {
         }
     }
 }
+
+async fn foo() {
+    async_foo().await.await.await;
+}

From 2a2a2999dd557a7e6951f961e469c84e929f18db Mon Sep 17 00:00:00 2001
From: coyaSONG <66289470+coyaSONG@users.noreply.github.com>
Date: Sat, 18 Jul 2026 12:36:53 +0900
Subject: [PATCH 2/2] Add changelog entry for PR 3849

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

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0e2fc2161d..28bf79c5b4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -61,6 +61,7 @@
 
 ## Syntaxes
 
+- Highlight Rust `async` and `await` as keywords, see #3849 (@coyaSONG)
 - Add shebang-based detection for Tcl (`tclsh`, `wish`) and Expect (`expect`) scripts, see #3647 (@mvanhorn)
 - Change the URL of Zig submodule from GitHub to Codeberg, see #3519 (@sorairolake)
 - Don't color strings inside CSV files, to make it easier to tell which column they belong to, see #3521 (@keith-hall)