From 46e152ec02b83f5138e0289fef65bb29e81bfc2a Mon Sep 17 00:00:00 2001
From: Andreas Steding <steding.andreas@gmail.com>
Date: Tue, 9 Mar 2021 20:20:39 +0100
Subject: [PATCH] Preserve newlines in Doc comments #2389

---
 clap_derive/src/utils/doc_comments.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/clap_derive/src/utils/doc_comments.rs b/clap_derive/src/utils/doc_comments.rs
index 49c794c9c2d..518f056294e 100644
--- a/clap_derive/src/utils/doc_comments.rs
+++ b/clap_derive/src/utils/doc_comments.rs
@@ -100,5 +100,9 @@ fn is_blank(s: &str) -> bool {
 }
 
 fn merge_lines(lines: &[&str]) -> String {
-    lines.iter().map(|s| s.trim()).collect::<Vec<_>>().join(" ")
+    lines
+        .iter()
+        .map(|s| s.trim())
+        .collect::<Vec<_>>()
+        .join("\n")
 }