From 5df9593f1ad13eac4ca1da281332c8147937cd34 Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume.gomez@huawei.com>
Date: Tue, 27 Feb 2024 17:39:32 +0100
Subject: [PATCH] Prevent inclusion of whitespace character after macro_rules
 ident

---
 src/librustdoc/html/highlight.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/librustdoc/html/highlight.rs b/src/librustdoc/html/highlight.rs
index 1cdc792a819a..aa5998876d9a 100644
--- a/src/librustdoc/html/highlight.rs
+++ b/src/librustdoc/html/highlight.rs
@@ -136,6 +136,7 @@ fn can_merge(class1: Option<Class>, class2: Option<Class>, text: &str) -> bool {
     match (class1, class2) {
         (Some(c1), Some(c2)) => c1.is_equal_to(c2),
         (Some(Class::Ident(_)), None) | (None, Some(Class::Ident(_))) => true,
+        (Some(Class::Macro(_)), _) => false,
         (Some(_), None) | (None, Some(_)) => text.trim().is_empty(),
         (None, None) => true,
     }