From 34b840585d6fb272af0b5beddd312e934bd80aa3 Mon Sep 17 00:00:00 2001
From: "github-actions[bot]"
 <41898282+github-actions[bot]@users.noreply.github.com>
Date: Sun, 14 Jul 2024 00:48:59 +0000
Subject: [PATCH] [BOT] Updating 77578610d5ee5a584f9f9944928ae7e5f6a057c1
 content

---
 rustbook-en/book.toml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/rustbook-en/book.toml b/rustbook-en/book.toml
index b73ff03..800adcf 100644
--- a/rustbook-en/book.toml
+++ b/rustbook-en/book.toml
@@ -15,3 +15,6 @@ git-repository-url = "https://github.com/rust-lang/book"
 
 [preprocessor.trpl-listing]
 output-mode = "default"
+
+[rust]
+edition = "2021"