https://git.ruby-lang.org/ruby.git/commit/?id=efd4a11ada

From efd4a11ada731ce18f5eb1500c76f77b4d0f313f Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Sun, 22 Dec 2019 11:46:09 +0900
Subject: Support multibyte input


diff --git a/lib/reline/ansi.rb b/lib/reline/ansi.rb
index 4862cfb..6246a27 100644
--- a/lib/reline/ansi.rb
+++ b/lib/reline/ansi.rb
@@ -30,7 +30,8 @@ class Reline::ANSI https://github.com/ruby/ruby/blob/trunk/lib/reline/ansi.rb#L30
     unless @@buf.empty?
       return @@buf.shift
     end
-    @@input.getbyte
+    c = @@input.getbyte
+    (c == 0x16 && @@input.raw(min: 0, tim: 0, &:getbyte)) || c
   end
 
   def self.ungetc(c)
-- 
cgit v0.10.2


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