https://git.ruby-lang.org/ruby.git/commit/?id=c257d81186

From c257d811862b9e29ccff4305d836077835091112 Mon Sep 17 00:00:00 2001
From: aycabta <aycabta@g...>
Date: Sun, 26 Jan 2020 12:55:13 +0900
Subject: Always use UTF-8 for Reline::GeneralIO on Windows


diff --git a/lib/reline/general_io.rb b/lib/reline/general_io.rb
index 6281d5f..08b9d9c 100644
--- a/lib/reline/general_io.rb
+++ b/lib/reline/general_io.rb
@@ -2,7 +2,7 @@ require 'timeout' https://github.com/ruby/ruby/blob/trunk/lib/reline/general_io.rb#L2
 
 class Reline::GeneralIO
   def self.encoding
-    Encoding.default_external
+    RUBY_PLATFORM =~ /mswin|mingw/ ? Encoding::UTF_8 : Encoding::default_external
   end
 
   RAW_KEYSTROKE_CONFIG = {}
-- 
cgit v0.10.2


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