Pending specifications are specifications that will not execute until some condition or {HEAD ~ conditions} are satisfied on {TAIL ~ the client} 
are satisfied on
Pending specifications are specifications that will not execute until some condition or { HEAD ~ conditions } are satisfied on { TAIL ~ the client }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL