From a4c09342a2219a8374240ef8d0ca86abe287f715 Mon Sep 17 00:00:00 2001
From: git <svn@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 31 Jul 2019 05:49:04 +0900
Subject: [PATCH] * expand tabs.

---
 io.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/io.c b/io.c
index d0257ff42e..b35854c1a8 100644
--- a/io.c
+++ b/io.c
@@ -10314,8 +10314,8 @@ rb_io_s_pipe(int argc, VALUE *argv, VALUE klass)
     extract_binmode(opt, &fmode);
 
     if ((fmode & FMODE_BINMODE) && v1 == Qnil) {
-	rb_io_ascii8bit_binmode(r);
-	rb_io_ascii8bit_binmode(w);
+        rb_io_ascii8bit_binmode(r);
+        rb_io_ascii8bit_binmode(w);
     }
 
 #if DEFAULT_TEXTMODE