Repatch (from linux) of OSX IRAF

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+------------
+From: /u2/davis/ Thu 16:47:49 01-Aug-85
+Package: images
+Title: new images tasks
+ 
+The tasks ROTATE, IMLINTRAN and GEODISTRAN have been added to the images
+package. ROTATE rotates and shifts an image. IMLINTRAN will rotate, rescale
+and shift an an image. GEODISTRAN corrects an image for geometric distortion.
+
+------------
+From: /u2/davis/ Fri 18:14:12 02-Aug-85
+Package: images
+Title: new images task
+ 
+A new task GEOMAP has been added to the images package. GEOMAP calculates
+the spatial transformation required to map one image onto another.
+
+------------
+From: /u2/davis/ Tue 08:27:09 06-Aug-85
+Package: images
+Title: imshift bug
+ 
+Imshift was shifting incorrectly when an integral pixel shift in x and
+a fractional pixel shift in y was requested. The actual x shift was
+xshift + 1. The bug has been fixed and imshift will now work correctly for
+any combination of fractional and integral pixel shifts
+
+------------
+From: /u2/davis/ Fri 10:53:18 09-Aug-85
+Package: dataio
+Title: reblock mod
+ 
+The task REBLOCK has been modified so that it will trim as well as pad
+logical records.
+
+------------
+From: /u2/davis/ Fri 15:05:31 09-Aug-85
+Package: math
+Title: math documentation
+ 
+The documentation for the 2D interpolation routines has been added
+to the math package.
+
+------------
+From: /u2/davis/ Mon 15:55:45 12-Aug-85
+Package: math
+Title: gsurfit package
+ 
+A set of routine for fitting surfaces and accompanying documentation
+have been installed in the math package.
+
+------------
+From: /u2/davis/ Tue 08:26:19 01-Oct-85
+Package: images
+Title: fmedian, median
+ 
+Two median filtering tasks have been added to the images package. Fmedain
+is a fast median processing routine which utilises the image histogram to
+calculate the median at each window position. Fmedian is best suited to
+integer data. Median is a more general routine which uses a sorting technique
+but takes longer to execute.
+
+------------
+From: /u2/davis/ Thu 17:06:15 03-Oct-85
+Package: images
+Title: minmax bug
+ 
+Minmax was not calculating the minimum correctly for integer images.
+
+------------
+From: /u2/davis/ Mon 10:51:05 21-Oct-85
+Package: images
+Title: imsurfit bug
+ 
+An error in pixel rejections cycle of IMSURFIT corrected. The routine 
+make_ranges was not successfully converting a sorted list of rejected pixels
+into a list of ranges in all cases.
+
+------------
+From: /u2/hammond/iraf/ Tue 16:45:33 29-Oct-85
+Package: dataio
+Title: New task installed
+ 
+Task rtextimage, which converts text files to IRAF images, has been installed
+in the dataio package.
+
+------------
+From: tody Thu Nov  7 22:25:20 MST 1985
+Package: cl
+Title: foreign tasks in the CL
+
+    A new type of task called a "foreign task" has been added to the CL.  This
+facility was added primarily to provide an improved interface for the bootstrap
+utilities XC and MKLIB, but may be used to access any host system utility to
+enhance one's personal IRAF environment.  The foreign task facility is a type
+of OS escape, hence should not be used in mainline software.
+
+One ore more foreign tasks may be defined with the TASK statement by setting
+the "physical task name" to the special value "$foreign", e.g.,
+
+	task $xc, $mklib, $make = "$foreign"
+
+A foreign task, once defined, may be called by name like any other IRAF task,
+without the overhead of processing a script task containing an OS escape.
+The argument list of a foreign task is parsed exactly like that of any other
+task, allowing the string value of a parameter to be generated by any CL
+expression.  Full i/o redirection is supported.
+
+A foreign task is run by passing a string command to the host system with
+ZOSCMD.  The command is built up by concatenating the task name with the
+values of the argument strings in the order in which they appear on the command
+line, inserting a blank between each string argument.  Foreign tasks may have
+parameter files, but normally there will be no parameter file and the arguments
+will be given in the same syntax one would use when operating outside the CL.
+This provides a more direct interface and eliminates needless restrictions and
+the need to learn a second syntax for the same command (e.g., xc and xcompile).
+
+An additional advantage of the foreign task interface is that i/o redirection
+is implemented without the temporary files used for !cmd type OS escapes.
+In other words, given a command such as
+
+	xc -cO file1.x file2.x >& spool &
+
+output will be written directly into the spool file during task execution,
+rather than copied to the spool file after task execution.  This prevents
+stdout and stderr from being separated and permits use of TAIL during execution
+to see how things are going (at least on UNIX).
+
+Since flags beginning with - are so common in UNIX, "lexmodes" has been
+enhanced to treat arguments beginning with a minus (or plus) sign as string
+constants.
+
+The softools tasks XC, MKLIB, and MAKE have been redefined as foreign tasks
+and the new version of the CL which supports foreign tasks has been installed.
+MAKE will probably be deleted from softools in the near future.
+------------------------------------------------------------------------------
+
+sys/clio/zfiocl.x
+	In zardps(), in the first call to zardpr, changed the third argument
+	to SZ_NUMSTR * SZB_CHAR; would cause XFER failure on AOS.  (11/8 dct)
+
+pkg/cl/unop.c
+pkg/cl/gram.c
+pkg/cl/operand.h
+	Added a new CL intrinsic function osfn().  This function takes a
+	virtual filename as input and returns a host system filename as output.
+	(11/9 dct)
+
+sys/os/zfiotx.c		[UNIX]
+	Modified terminal (text file) driver to mask parity bit when reading
+	from the terminal in raw mode.  (11/10 dct)
+
+pkg/cl/*
+	Merged revisions from the VMS version of the cl into the unix sources.
+	These consisted mostly of VMS/C compiler workarounds, some allocate
+	stuff (deactivated in unix/iraf currently), and other minor changes.
+	(11/11 dct)
+
+sys/fio/ffault.x
+	When faulting in the FIO buffer on a write-only file, not at EOF,
+	the ITOP pointer would be set to the start of the buffer rather than
+	to the end, as it is if the buffer is actually filled from the file.
+	When the buffer is later flushed the amount of data written would be
+	less than a full buffer if the full buffer had not been written into.
+	Modified to set ITOP to BP+BUFSIZE when filling the buffer on a write
+	only random access file, not at EOF.  (11/13)
+
+sys/gio/stdgraph/stgencode.x
+	Changed the code for \ch in compile mode to push the escaped character
+	rather than output it.  Reversed the arguments to ; (goto) to match
+	the order described in the documentation.  (11/14)
+
+sys/gio/stdgraph/tshowcap.x
+	Installed a new version which supports boolean capabilities, scan
+	cursor, etc.  (11/14)
+
+sys/libc/cmain.c
+	Deleted this file from the library, since it causes linker problems and
+	it no longer used (cl.x defined ONENTRY and calls c_main directly).
+	(11/15)
+
+pkg/cl/task.h
+pkg/cl/builtin.c
+	Added user definable OSCMD prefix strings to the foreign task interface.
+	This removes the restriction that the host task name be equivalent to
+	the logical task name, e.g., permitting calling the host task with a
+	full pathname, with a different name, with switches, etc.  (11/15)
+
+pkg/cl/builtin.c
+pkg/cl/task.h
+	Generalized the foreign task interface to permit user specification
+	of the foreign command prefix string.  In the case
+
+		task	$ltname = $foreign
+
+	the foreign command prefix string defaults to "ltname", and multiple
+	foreign tasks may be declared in a single statement.  In the case
+
+		task	$ltname = $prefix
+
+	the command sent to the host system will begin with the given prefix
+	string, which may be different from the ltask name and which may
+	contain whitespace.  For example,
+
+		task	$who = "$show users"
+
+	will perform the UNIX "who" function on a VMS system.  On a UNIX
+	system,
+		
+		task	$renice = "$/etc/renice"
+
+	would make the renice task available as a CL task, even though the
+	/etc directory is not normally in one's search path.  (11/16)
+
+sys/os/zwmsec.c
+sys/os/Makelib
+lib/libc/knames.h		KERNEL CHANGE
+-------------------------------------------------------------------------------
+	New module ZWMSEC added to package OS.  The new kernel operator
+	suspends process execution for the indicated number of milliseconds.
+	(11/18)
+-------------------------------------------------------------------------------
+
+sys/fmtio/printf.h
+	Changed the size of the internal printf buffer from SZ_LINE to 1024
+	to reduce the possibility of truncation when printing strings.  (11/27)
+
+sys/fmtio/Makelib
+	Several files which included printf.h did not list it as a dependency
+	in the Makelib file.  (11/27)
+
+sys/etc/main.x
+	Did not permit parameters with upper case names.  (11/27)
+
+pkg/cl/exec.c
+	Simplified the mk_startupmsg procedure slightly, while looking for
+	a problem that turned out to be elsewhere.  (11/27)
+
+pkg/cl/task.h
+	Two of the T_XXX task bit flags had the same value.  (11/27)
+
+pkg/cl/bkg.c
+	When a new CL is installed while someone is using the old one,
+	the core image bkgfile produced when a bkg job is submitted by
+	the old CL may not be usable by the new CL.  The CL checks for
+	this when reading the bkgfile, but error recursion was occurring
+	due to the call to EPRINTF to report the error.  This was replaced
+	by a call to fprintf(stderr since EPRINTF is higher level (it
+	requires a stacked task descriptor which is not there until the
+	bkg file has been read) and cannot be used during process startup.
+	(11/27)