D2057: translate base85.c into rust code

[kevincox (Kevin Cox)]

kevincox added a comment.


  I agree with the splitting comments :) In fact there might already be a base85 crate which can be used: https://docs.rs/zero85. Either way I'll hold off on the review, feel free to ping me when you are ready for me to take a look.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D2057

To: Ivzhh, #hg-reviewers
Cc: indygreg, durin42, kevincox, mercurial-devel