{TAIL ~ An image processing system} employs a scanner to generate an image having gray content from {HEAD ~ an input halftone image} 
{ TAIL ~ An image processing system } employs a scanner to generate an image having gray content from { HEAD ~ an input halftone image }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD