Repatch (from linux) of OSX IRAF

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+			IMEDIT CURSOR KEYSTROKE COMMANDS
+ 
+	?	Print help
+	:	Colon commands (see below)
+	<space>	Statistics
+	g	Surface graph
+	i	Initialize (start over without saving changes)
+	q	Quit and save changes
+	p	Print box of pixel values and statistics
+	r	Redraw image display
+	s	Surface plot at cursor
+	t	Toggle between minimum and maximum search
+	+	Increase radius by one
+	-	Decrease radius by one
+	I	Interrupt task immediately
+	Q	Quit without saving changes
+ 
+The following editing options are available.  Rectangular and line regions
+are specified with two positions and aperture regions are specified by
+one position.  The current aperture type (circular or square) is used
+in the latter case.  The move option takes two positions, the position
+to move from and the position to move to.
+ 
+	a 	Background replacement (rectangle)
+	b 	Background replacement (aperture)
+	c 	Column interpolation (rectangle)
+	d 	Constant value substitution (rectangle)
+	e 	Constant value substitution (aperture)
+	f	Interpolation across line (line)
+	j	Replace with input data (rectangle)
+	k	Replace with input data (aperture)
+	l 	Line interpolation (rectangle)
+	m	Copy by replacement (aperture)
+	n	Copy by addition (aperture)
+	u	Undo last change (see also 'i', 'j', and 'k')
+	v	Constant value substitution (vector)
+	=	Constant value substitution of pixels equal
+		    to pixel at the cursor position
+	<	Constant value substitution of pixels less than or equal
+		    to pixel at the cursor position
+	>	Constant value substitution of pixels greater than or equal
+		    to pixel at the cursor position
+ 
+When the image display provides a fill option then the effect of zoom
+and roam is provided by loading image sections.  This is a temporary
+mechanism which will eventually be replaced by a more sophisticated
+image display interface.
+ 
+	E	Exapnd image display
+	P	Pan image display
+	R	Redraw image display
+	Z	Zoom image display
+	0	Redraw image display with no zoom
+	1-9	Shift display
+ 
+ 
+			IMEDIT COLON COMMANDS
+ 
+The colon either print the current value of a parameter when there is
+no value or set the parameter to the specified value.
+ 
+angh [value]		Horizontal viewing angle (degrees) for surface plots
+angv [value]		Vertical viewing angle (degrees) for surface plots
+aperture [type]		Aperture type (circular|square)
+autodisplay [yes|no]	Automatic image display?
+autosurface [yes|no]	Automatic surface plots?
+buffer [value]		Background buffer width
+command [string]	Display command
+display [yes|no]	Display image?
+eparam			Edit parameters
+graphics [device]	Graphics device
+input [image]		New input image to edit (output is same as input)
+output [image]		New output image name
+radius [value]		Aperture radius
+search [value]		Search radius
+sigma [value]		Noise sigma (INDEF for histrogram replacement)
+value [value]		Constant substitution value
+width [value]		Background annulus width
+write [name]		Write changes to name (default current output name) 
+xorder [value]		X order for background fitting
+yorder [value]		Y order for background fitting
+