From e79bf316a947e11b87793aa3743dbf116ec80d88 Mon Sep 17 00:00:00 2001
From: "FUJI Goro (gfx)" <gfuji@cpan.org>
Date: Wed, 28 Dec 2016 17:07:42 +0900
Subject: [PATCH] enable frozen literals

---
 lib/pygments.rb         | 2 ++
 lib/pygments/lexer.rb   | 2 ++
 lib/pygments/popen.rb   | 6 +++---
 lib/pygments/version.rb | 2 ++
 test/test_pygments.rb   | 3 ++-
 5 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/lib/pygments.rb b/lib/pygments.rb
index 4fcadbf0..1fecc7c0 100644
--- a/lib/pygments.rb
+++ b/lib/pygments.rb
@@ -1,3 +1,5 @@
+# coding: utf-8
+# frozen_string_literal: true
 require File.join(File.dirname(__FILE__), 'pygments/popen')
 require 'forwardable'
 
diff --git a/lib/pygments/lexer.rb b/lib/pygments/lexer.rb
index db5dc588..92355969 100644
--- a/lib/pygments/lexer.rb
+++ b/lib/pygments/lexer.rb
@@ -1,3 +1,5 @@
+# coding: utf-8
+# frozen_string_literal: true
 module Pygments
   class Lexer < Struct.new(:name, :aliases, :filenames, :mimetypes)
     @lexers          = []
diff --git a/lib/pygments/popen.rb b/lib/pygments/popen.rb
index 50d80f13..59942a7f 100644
--- a/lib/pygments/popen.rb
+++ b/lib/pygments/popen.rb
@@ -1,4 +1,6 @@
 # coding: utf-8
+# frozen_string_literal: true
+
 require 'open3'
 require 'multi_json'
 require 'timeout'
@@ -371,9 +373,7 @@ def handle_header_and_return(header, id)
     # id, with two padding also. This means we are sending over the 8 characters +
     # code + 8 characters.
     def add_ids(code, id)
-      code.freeze
-      code = id + "  #{code}  #{id}"
-      code
+      (id + "  #{code}  #{id}").freeze
     end
 
     # Write data to mentos, the Python process.
diff --git a/lib/pygments/version.rb b/lib/pygments/version.rb
index d7d0ef1b..25ddff9c 100644
--- a/lib/pygments/version.rb
+++ b/lib/pygments/version.rb
@@ -1,3 +1,5 @@
+# coding: utf-8
+# frozen_string_literal: true
 module Pygments
   VERSION = '1.1.0'
 end
diff --git a/test/test_pygments.rb b/test/test_pygments.rb
index 46644210..23416baf 100644
--- a/test/test_pygments.rb
+++ b/test/test_pygments.rb
@@ -1,4 +1,5 @@
-#coding: utf-8
+# coding: utf-8
+# frozen_string_literal: true
 
 require 'test/unit'
 require File.join(File.dirname(__FILE__), '..', '/lib/pygments.rb')