{HEAD ~ The image file} is in {TAIL ~ a computer readable format}, and usually includes additional information other than image data 
is in
{ HEAD ~ The image file } is in { TAIL ~ a computer readable format } , and usually includes additional information other than image data
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH