{HEAD ~ The number} of {TAIL ~ pages} not containing interpretive instructions are minimized to streamline the operation of setting the uncacheable attribute flags 
{ HEAD ~ The number } of { TAIL ~ pages } not containing interpretive instructions are minimized to streamline the operation of setting the uncacheable attribute flags
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH