libgettext-ocaml-dev 0.4.1-2build1 (arm64 binary) in ubuntu focal

 This library provides utilities and libraries to enable localization
 in OCaml programs. It is based on the same principle of GNU gettext.
 .
 The package provides two libraries to do effectively translation :
  - gettext-camomile : pure OCaml implementation of gettext
  - gettext-stub : implementation using the gettext library.
 .
 This package contains header, OCaml library and devel tools.