A specification of the electronic design is created in {HEAD ~ response} to {TAIL ~ selection} of blocks from a library, and at least one of the blocks is available for implementation in a selectable one of a software implementation for an embedded processor on a programmable logic device and a hardware implementation on the PLD 
to
A specification of the electronic design is created in { HEAD ~ response } to { TAIL ~ selection } of blocks from a library , and at least one of the blocks is available for implementation in a selectable one of a software implementation for an embedded processor on a programmable logic device and a hardware implementation on the PLD
OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH