to add {HEAD ~ headers} to the respective set values and {TAIL ~ image data} that have been read out, and 
to
to add { HEAD ~ headers } to the respective set values and { TAIL ~ image data } that have been read out , and
OTH OTH HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH