https://git.ruby-lang.org/ruby.git/commit/?id=416c63c118

From 416c63c118e61287d0f2c7114dbc404a5e27a650 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Sun, 13 Mar 2022 21:14:54 +0900
Subject: [ruby/rdoc] Refine `pretty_print`

https://github.com/ruby/rdoc/commit/acb91ea74a
---
 lib/rdoc/normal_class.rb  | 2 +-
 lib/rdoc/normal_module.rb | 2 +-
 lib/rdoc/single_class.rb  | 5 +++++
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/lib/rdoc/normal_class.rb b/lib/rdoc/normal_class.rb
index 6729b18448..68dfa7d4a3 100644
--- a/lib/rdoc/normal_class.rb
+++ b/lib/rdoc/normal_class.rb
@@ -56,7 +56,7 @@ class RDoc::NormalClass < RDoc::ClassModule https://github.com/ruby/ruby/blob/trunk/lib/rdoc/normal_class.rb#L56
   def pretty_print q # :nodoc:
     superclass = @superclass ? " < #{@superclass}" : nil
 
-    q.group 2, "[class #{full_name}#{superclass} ", "]" do
+    q.group 2, "[class #{full_name}#{superclass}", "]" do
       q.breakable
       q.text "includes:"
       q.breakable
diff --git a/lib/rdoc/normal_module.rb b/lib/rdoc/normal_module.rb
index 8f364be41c..edf29f8f1c 100644
--- a/lib/rdoc/normal_module.rb
+++ b/lib/rdoc/normal_module.rb
@@ -30,7 +30,7 @@ class RDoc::NormalModule < RDoc::ClassModule https://github.com/ruby/ruby/blob/trunk/lib/rdoc/normal_module.rb#L30
   end
 
   def pretty_print q # :nodoc:
-    q.group 2, "[module #{full_name}: ", "]" do
+    q.group 2, "[module #{full_name}:", "]" do
       q.breakable
       q.text "includes:"
       q.breakable
diff --git a/lib/rdoc/single_class.rb b/lib/rdoc/single_class.rb
index 6a7b67deb3..860f06a6e5 100644
--- a/lib/rdoc/single_class.rb
+++ b/lib/rdoc/single_class.rb
@@ -22,5 +22,10 @@ class RDoc::SingleClass < RDoc::ClassModule https://github.com/ruby/ruby/blob/trunk/lib/rdoc/single_class.rb#L22
     "class << #{full_name}"
   end
 
+  def pretty_print q # :nodoc:
+    q.group 2, "[class << #{full_name}", "]" do
+      next
+    end
+  end
 end
 
-- 
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