naruse	2017-12-15 17:26:33 +0900 (Fri, 15 Dec 2017)

  New Revision: 61278

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=61278

  Log:
    IO.new doesn't recive "-" as external_encoding [Bug #13655]

  Modified files:
    trunk/io.c
Index: io.c
===================================================================
--- io.c	(revision 61277)
+++ io.c	(revision 61278)
@@ -8043,10 +8043,6 @@ rb_io_make_open_file(VALUE obj) https://github.com/ruby/ruby/blob/trunk/io.c#L8043
  *    Specifies file open flags as integer.
  *    If +mode+ parameter is given, this parameter will be bitwise-ORed.
  *
- *  :\external_encoding ::
- *    External encoding for the IO.  "-" is a synonym for the default external
- *    encoding.
- *
  *  :\internal_encoding ::
  *    Internal encoding for the IO.  "-" is a synonym for the default internal
  *    encoding.

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