Structure is provided for merging {HEAD ~ the fixed sized bit field} and the variable sized bit field into {TAIL ~ a continuous bit field} 
into
Structure is provided for merging { HEAD ~ the fixed sized bit field } and the variable sized bit field into { TAIL ~ a continuous bit field }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL