{HEAD ~ The coded syntax element} is replaced with {TAIL ~ another coded value} if the modified value generates the same decoding variables as the original value would have generated 
is replaced with
{ HEAD ~ The coded syntax element } is replaced with { TAIL ~ another coded value } if the modified value generates the same decoding variables as the original value would have generated
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH