From 7b97cf94315983bc032e92209b6f00a518262460 Mon Sep 17 00:00:00 2001
From: Ralf Jung <post@ralfj.de>
Date: Mon, 10 Jun 2019 12:42:43 +0200
Subject: [PATCH] make sure to_ascii_lowercase actually leaves upper-case
 non-ASCII characters alone

---
 src/libcore/str/mod.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/libcore/str/mod.rs b/src/libcore/str/mod.rs
index 8a128b0d5e7b2..34f2d8917ea47 100644
--- a/src/libcore/str/mod.rs
+++ b/src/libcore/str/mod.rs
@@ -4000,11 +4000,11 @@ impl str {
     /// # Examples
     ///
     /// ```
-    /// let mut s = String::from("Grüße, Jürgen ❤");
+    /// let mut s = String::from("GRÜßE, JÜRGEN ❤");
     ///
     /// s.make_ascii_lowercase();
     ///
-    /// assert_eq!("grüße, jürgen ❤", s);
+    /// assert_eq!("grÜße, jÜrgen ❤", s);
     /// ```
     #[stable(feature = "ascii_methods_on_intrinsics", since = "1.23.0")]
     pub fn make_ascii_lowercase(&mut self) {