https://git.ruby-lang.org/ruby.git/commit/?id=12644e8b02

From 12644e8b0208b01f4f4cea550d161a86e6f25aa8 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Wed, 29 May 2019 21:59:34 +0900
Subject: Get rid of nested string interpolations

* lib/irb/color.rb (IRB::Color.colorize): get rid of nesting string
  interpolations not to confuse ruby-mode.el

diff --git a/lib/irb/color.rb b/lib/irb/color.rb
index 71557ff..caa7f50 100644
--- a/lib/irb/color.rb
+++ b/lib/irb/color.rb
@@ -94,7 +94,8 @@ module IRB # :nodoc: https://github.com/ruby/ruby/blob/trunk/lib/irb/color.rb#L94
 
       def colorize(text, seq)
         return text unless colorable?
-        "#{seq.map { |s| "\e[#{const_get(s)}m" }.join('')}#{text}#{clear}"
+        seq = seq.map { |s| "\e[#{const_get(s)}m" }.join('')
+        "#{seq}#{text}#{clear}"
       end
 
       def scan(code)
-- 
cgit v0.10.2


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