developer is officially maintaining the package.
The rationale for changing this from "tech-pkg" to "pkgsrc-users" is
that it implies that any user can try to maintain the package (by
submitting patches to the mailing list). Since the folks most likely
to care about the package are the folks that want to use it or are
already using it, this would leverage the energy of users who aren't
developers.
in some environments. From DESCR:
Berkeley Yacc (byacc) is a LALR(1) parser generator. Berkeley Yacc
has been made as compatible as possible with AT&T Yacc. Berkeley
Yacc can accept any input specification that conforms to the AT&T
Yacc documentation.