[InterNetNews/inn] 43dff2: shrinkfile: Convert man page to POD

[Julien ÉLIE]

  Branch: refs/heads/main
  Home:   https://github.com/InterNetNews/inn
  Commit: 43dff2f4dfc90ddb7f892f7a83073f873e328f90
      https://github.com/InterNetNews/inn/commit/43dff2f4dfc90ddb7f892f7a83073f873e328f90
  Author: Julien ÉLIE <Julien-Elie at users.noreply.github.com>
  Date:   2021-11-19 (Fri, 19 Nov 2021)

  Changed paths:
    M MANIFEST
    M backends/shrinkfile.c
    R doc/man/shrinkfile.1
    M doc/pod/Makefile
    A doc/pod/shrinkfile.pod

  Log Message:
  -----------
  shrinkfile: Convert man page to POD

Read-proof and documentation improvements at the same time.