https://git.ruby-lang.org/ruby.git/commit/?id=a4c09342a2

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: * expand tabs.


diff --git a/io.c b/io.c
index d0257ff..b35854c 100644
--- a/io.c
+++ b/io.c
@@ -10314,8 +10314,8 @@ rb_io_s_pipe(int argc, VALUE *argv, VALUE klass) https://github.com/ruby/ruby/blob/trunk/io.c#L10314
     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
-- 
cgit v0.10.2


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