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