The authors of the dependency Rust crates:

extendr-api (version 0.7.1):
  andy-thomason
  Thomas Down
  Mossa Merhi Reimert
  Claus O. Wilke
  Hiroaki Yutani
  Ilia A. Kosenkov
  Michael Milton

extendr-macros (version 0.7.1):
  andy-thomason
  Thomas Down
  Mossa Merhi Reimert
  Claus O. Wilke
  Hiroaki Yutani
  Ilia A. Kosenkov
  Michael Milton

libR-sys (version 0.7.1):
  andy-thomason
  Thomas Down
  Mossa Merhi Reimert
  Claus O. Wilke
  Ilia A. Kosenkov
  Hiroaki Yutani

once_cell (version 1.19.0):
  Aleksey Kladov

paste (version 1.0.15):
  David Tolnay

proc-macro2 (version 1.0.86):
  David Tolnay
  Alex Crichton

quote (version 1.0.36):
  David Tolnay

syn (version 2.0.68):
  David Tolnay

unicode-ident (version 1.0.12):
  David Tolnay