The pixel border color state is controlled to correspond to information contained in {HEAD ~ a locus} of {TAIL ~ the frame buffer memory} 
of
The pixel border color state is controlled to correspond to information contained in { HEAD ~ a locus } of { TAIL ~ the frame buffer memory }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL