Binary package “gpgrt-tools” in ubuntu lunar

GnuPG development runtime library (executable tools)

 gpgrt (also known as libgpg-error) defines common error values,
 messages, and common runtime functionality for all GnuPG components.
 Among these are GPG, GPGSM, GPGME, GPG-Agent, libgcrypt, pinentry,
 SmartCard Daemon and possibly more in the future.
 .
 This package contains yat2m, a Texinfo to nroff/troff converter
 useful for building manpages, and gpg-error, a binary for deciphering
 GnuPG/libgcrypt error codes.