From 78698dd0fbdf7772fca2b203ae262de00e268f37 Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume.gomez@huawei.com>
Date: Sun, 3 Apr 2022 13:40:43 +0200
Subject: [PATCH 1/2] Fix display of attributes in rustdoc

---
 src/librustdoc/html/render/mod.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/librustdoc/html/render/mod.rs b/src/librustdoc/html/render/mod.rs
index 93b33b0d60912..42d818e20a8ee 100644
--- a/src/librustdoc/html/render/mod.rs
+++ b/src/librustdoc/html/render/mod.rs
@@ -1002,7 +1002,12 @@ fn attributes(it: &clean::Item) -> Vec<String> {
         .iter()
         .filter_map(|attr| {
             if ALLOWED_ATTRIBUTES.contains(&attr.name_or_empty()) {
-                Some(pprust::attribute_to_string(attr).replace('\n', "").replace("  ", " "))
+                Some(
+                    pprust::attribute_to_string(attr)
+                        .replace("\\\n", "")
+                        .replace('\n', "")
+                        .replace("  ", " "),
+                )
             } else {
                 None
             }

From 995513c92986713a3a8260d8944e5ed82755347b Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume.gomez@huawei.com>
Date: Sun, 3 Apr 2022 13:41:12 +0200
Subject: [PATCH 2/2] Add test for attribute display in rustdoc

---
 src/test/rustdoc/attribute-rendering.rs | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 src/test/rustdoc/attribute-rendering.rs

diff --git a/src/test/rustdoc/attribute-rendering.rs b/src/test/rustdoc/attribute-rendering.rs
new file mode 100644
index 0000000000000..6777871846e2d
--- /dev/null
+++ b/src/test/rustdoc/attribute-rendering.rs
@@ -0,0 +1,7 @@
+#![crate_name = "foo"]
+
+// @has 'foo/fn.f.html'
+// @has - //*[@'class="docblock item-decl"]' '#[export_name = "f"] pub fn f()'
+#[export_name = "\
+f"]
+pub fn f() {}