From 38abd835298efcb704554d6360b167d6189b5043 Mon Sep 17 00:00:00 2001
From: k0kubun <k0kubun@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 17 Mar 2018 06:39:18 +0000
Subject: [PATCH] Add doc for `opt` parameter of IO#reopen [ci skip]

It can be specified from 2.0. Ref: https://bugs.ruby-lang.org/issues/7103

[Fix GH-1841]

From: yuuji.yaginuma <yuuji.yaginuma@gmail.com>

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62793 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 io.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/io.c b/io.c
index 4e071c93b6..01142eefac 100644
--- a/io.c
+++ b/io.c
@@ -7225,12 +7225,13 @@ rb_freopen(VALUE fname, const char *mode, FILE *fp)
 
 /*
  *  call-seq:
- *     ios.reopen(other_IO)         -> ios
- *     ios.reopen(path, mode_str)   -> ios
+ *     ios.reopen(other_IO)             -> ios
+ *     ios.reopen(path, mode, [, opt])  -> ios
  *
  *  Reassociates <em>ios</em> with the I/O stream given in
  *  <i>other_IO</i> or to a new stream opened on <i>path</i>. This may
  *  dynamically change the actual class of this stream.
+ *  The +mode+ and +opt+ parameters accept the same values as IO.open.
  *
  *     f1 = File.new("testfile")
  *     f2 = File.new("testfile")