Package check result: NOTE

Check: CRAN incoming feasibility, Result: NOTE
  Maintainer: ‘Charlie Gao <charlie.gao@posit.co>’
  
  New maintainer:
    Charlie Gao <charlie.gao@posit.co>
  Old maintainer(s):
    Charlie Gao <charlie.gao@shikokuchuo.net>

No changes to worse in reverse depends.