https://git.ruby-lang.org/ruby.git/commit/?id=a14c01441b

From a14c01441b12552386c69233b0bcc53d06ed0b92 Mon Sep 17 00:00:00 2001
From: aycabta <aycabta@g...>
Date: Mon, 9 Dec 2019 14:20:25 +0900
Subject: Fix encoding compatibility checking of completion correctly


diff --git a/lib/reline/line_editor.rb b/lib/reline/line_editor.rb
index f029aa4..e352f88 100644
--- a/lib/reline/line_editor.rb
+++ b/lib/reline/line_editor.rb
@@ -549,7 +549,7 @@ class Reline::LineEditor https://github.com/ruby/ruby/blob/trunk/lib/reline/line_editor.rb#L549
   private def complete_internal_proc(list, is_menu)
     preposing, target, postposing = retrieve_completion_block
     list = list.select { |i|
-      if i and i.encoding != Encoding::US_ASCII and i.encoding != @encoding
+      if i and not Encoding.compatible?(target.encoding, i.encoding)
         raise Encoding::CompatibilityError
       end
       i&.start_with?(target)
-- 
cgit v0.10.2


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