Hmm...  Looks like a normal diff to me...
The text leading up to this was:
--------------------------
|# RCCL/RCI Patch 4.2.6
|# February 12, 1993
|# Reported by John Lloyd, McGill
|#
|# Adds the xy2d dual-robot driver for controlling two robot arms
|# from a single XVME-240 board.
|#
|# Installation instructions:
|#
|# % cd $RCCL
|# % patch -p0 < <thisFile>
|# % (cd drivers; make libs)
|#
|Index: VERSION
--------------------------
Patching file VERSION using Plan A...
Hunk #1 succeeded at 1.
Hmm...  The next patch looks like a new-style context diff to me...
The text leading up to this was:
--------------------------
|*** h/xy2dDevice.h.orig	Sat Feb 13 04:01:29 1993
|--- h/xy2dDevice.h	Wed Aug 26 20:34:17 1992
--------------------------
(Creating file h/xy2dDevice.h...)
mkdir: cannot make directory `h': File exists
Patching file h/xy2dDevice.h using Plan A...
Hunk #1 succeeded at 1.
Hmm...  The next patch looks like a new-style context diff to me...
The text leading up to this was:
--------------------------
|*** drivers/xy2dDriver.c.orig	Sat Feb 13 03:23:54 1993
|--- drivers/xy2dDriver.c	Fri Sep  4 05:27:34 1992
--------------------------
(Creating file drivers/xy2dDriver.c...)
mkdir: cannot make directory `drivers': File exists
Patching file drivers/xy2dDriver.c using Plan A...
Hunk #1 succeeded at 1.
Hmm...  The next patch looks like a new-style context diff to me...
The text leading up to this was:
--------------------------
|*** drivers/IOdriverTable.c.orig	Sat Feb 13 03:58:05 1993
|--- drivers/IOdriverTable.c	Wed Aug 26 20:41:00 1992
--------------------------
Patching file drivers/IOdriverTable.c using Plan A...
Hunk #1 succeeded at 16.
Hunk #2 succeeded at 43.
Hmm...  The next patch looks like a new-style context diff to me...
The text leading up to this was:
--------------------------
|*** drivers/Imakefile.orig	Sat Feb 13 04:05:57 1993
|--- drivers/Imakefile	Wed Aug 26 20:42:29 1992
--------------------------
Patching file drivers/Imakefile using Plan A...
Hunk #1 succeeded at 37.
done
