Date:	Sun, 14 Sep 1997 20:16:16 +0300 (IDT)
From:	Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
To:	DJ Delorie <dj AT delorie DOT com>
cc:	djgpp-workers AT delorie DOT com
Subject:	docs for _open in 970831
Message-ID:	<Pine.SUN.3.91.970914201429.20461J-100000@is>
MIME-Version:	1.0

I think this clarifies the point a bit:

diff -c src/libc/dos/io/_open.t~0 src/libc/dos/io/_open.txh
*** src/libc/dos/io/_open.t~0	Sun Aug 31 17:12:00 1997
--- src/libc/dos/io/_open.txh	Fri Sep 12 12:24:58 1997
***************
*** 9,18 ****
  
  @subheading Description
  
! This is a direct connection to the MS-DOS open function call, int
! 0x21, %ah = 0x3d.  The file is set to binary mode. This function
! can be hooked by the @xref{File System Extensions}. If don't want
! this you should use @xref{_dos_open}.
  
  @subheading Return Value
  
--- 9,21 ----
  
  @subheading Description
  
! This is a direct connection to the MS-DOS open function call, int 0x21,
! %ah = 0x3d.  (When long file names are supported, @code{_open} calls
! function 0x716c of Int 0x21.)  The file is set to binary mode.
! 
! This function can be hooked by the @xref{File System Extensions}.  If
! you don't want this you should use @xref{_dos_open} (but note that the
! latter doesn't support long file names).
  
  @subheading Return Value
  

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