From 57b87a00f8027d230d845e0dbd08432d9aa1aae6 Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 11 Jan 2015 15:58:40 +0000
Subject: [PATCH] [DOC]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49213 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/pty/pty.c                      | 8 ++++++++
 test/io/console/test_io_console.rb | 8 ++++++++
 2 files changed, 16 insertions(+)

diff --git a/ext/pty/pty.c b/ext/pty/pty.c
index 29cc689380..9260194f35 100644
--- a/ext/pty/pty.c
+++ b/ext/pty/pty.c
@@ -503,6 +503,14 @@ pty_close_pty(VALUE assoc)
  * +slave_file+::   the slave of the pty, as a File.  The path to the
  *		    terminal device is available via +slave_file.path+
  *
+ * IO#raw! is usable to disable newline conversions:
+ *
+ *   require 'io/console'
+ *   PTY.open {|m, s|
+ *     s.raw!
+ *     ...
+ *   }
+ *
  */
 static VALUE
 pty_open(VALUE klass)
diff --git a/test/io/console/test_io_console.rb b/test/io/console/test_io_console.rb
index a44e5ffff9..c69eec757e 100644
--- a/test/io/console/test_io_console.rb
+++ b/test/io/console/test_io_console.rb
@@ -68,6 +68,14 @@ class TestIO_Console < Test::Unit::TestCase
     }
   end
 
+  def test_raw!
+    helper {|m, s|
+      s.raw!
+      s.print "foo\n"
+      assert_equal("foo\n", m.gets)
+    }
+  end
+
   def test_cooked
     helper {|m, s|
       assert_send([s, :echo?])