From 14b508fbec6d9fdebda3397b0df908d829bbdb0b Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume.gomez@huawei.com>
Date: Fri, 16 Dec 2022 14:51:48 +0100
Subject: Don't add "Read more" link if there is no extra content

---
 src/librustdoc/html/render/mod.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src/librustdoc/html/render')

diff --git a/src/librustdoc/html/render/mod.rs b/src/librustdoc/html/render/mod.rs
index 80fbe9c1f06..146e5010e4e 100644
--- a/src/librustdoc/html/render/mod.rs
+++ b/src/librustdoc/html/render/mod.rs
@@ -467,9 +467,10 @@ fn document_short(
         return;
     }
     if let Some(s) = item.doc_value() {
-        let mut summary_html = MarkdownSummaryLine(&s, &item.links(cx)).into_string();
+        let (mut summary_html, has_more_content) =
+            MarkdownSummaryLine(&s, &item.links(cx)).into_string_with_has_more_content();
 
-        if s.contains('\n') {
+        if has_more_content {
             let link = format!(r#" <a{}>Read more</a>"#, assoc_href_attr(item, link, cx));
 
             if let Some(idx) = summary_html.rfind("</p>") {
-- 
cgit 1.4.1-3-g733a5