Action: Make Diff Layer
		Stop
			Message:  “This action computes the difference between the entire merged image, and the image without the selected topmost layer (important) showing.  Recommendation: use in 16 bit/channel mode to avoid rounding error.  © 2009 Jacob Rus”
			With Continue
		Make layer
			Using: layer
			Name:  “JRR -> all merged”
		Merge Visible
			With Duplicate
		Select backward layer
			Without Make Visible
		Hide current layer
		Hide layer “JRR -> all merged”
		Make layer
			Using: layer
			Name:  “JRR -> others merged”
		Merge Visible
			With Duplicate
		Select layer “JRR -> all merged”
			Without Make Visible
		Show current layer
		Set current layer
			To: layer
			Name:  “JRR -> difference mask offset -.5”
		Duplicate current layer
			Name:  “JRR -> difference mask offset +.5”
			2
		Select layer “JRR -> difference mask offset -.5”
			Without Make Visible
		Apply Image
			With: calculation
			Source: RGB channel of layer “JRR -> others merged”
			Calculation: subtract
			Scale: 2
			Offset: 127
		Select layer “JRR -> difference mask offset +.5”
			Without Make Visible
		Apply Image
			With: calculation
			Source: RGB channel of layer “JRR -> others merged”
			Calculation: subtract
			Scale: 2
			Offset: 128
		Set current layer
			To: layer
			Opacity: 50%
		Merge Layers
		Select layer “JRR -> others merged”
			Without Make Visible
		Delete current layer
		Select layer “JRR -> difference mask offset -.5”
			Without Make Visible
		Set current layer
			To: layer
			Name:  “difference mask”
		Set current layer
			To: layer
			Mode: linear light