Question: Between what years did Reynolds identify the post-punk era as existing?

Is "Generally, post-punk music is defined as music that emerged from the cultural milieu of punk rock in the late 1970s, although many groups now categorized as post-punk were initially subsumed under the broad umbrella of punk or new wave music, only becoming differentiated as the terms came to signify more narrow styles." the correct answer?
pick from the following.
(1). yes;
(2). no;
(2).