In {TAIL ~ operation}, {HEAD ~ the input buffer} 91 temporarily stores the image data supplied from the the enlarging/reducing section 84 
In
In { TAIL ~ operation } , { HEAD ~ the input buffer } 91 temporarily stores the image data supplied from the the enlarging / reducing section 84
REL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH