From 68ffb679d461722da6ef0bcdb2f18d8929d98204 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Sat, 14 Sep 2019 00:41:04 +0900
Subject: Undefine DSUSP key

Enable `Ctrl+Y`, which is bound with it by default on BSD-like
systems, for editing.
---
 lib/reline/ansi.rb | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'lib/reline/ansi.rb')

diff --git a/lib/reline/ansi.rb b/lib/reline/ansi.rb
index a3401b9c9f..9d9f79f7b5 100644
--- a/lib/reline/ansi.rb
+++ b/lib/reline/ansi.rb
@@ -115,9 +115,13 @@ class Reline::ANSI
     int_handle = Signal.trap('INT', 'IGNORE')
     otio = `stty -g`.chomp
     setting = ' -echo -icrnl cbreak'
-    if /-parenb\b/ =~ `stty -a`
+    stty = `stty -a`
+    if /-parenb\b/ =~ stty
       setting << ' pass8'
     end
+    if /\bdsusp *=/ =~ stty
+      setting << ' dsusp undef'
+    end
     setting << ' -ixoff'
     `stty #{setting}`
     Signal.trap('INT', int_handle)
-- 
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