Install libpod-2-docbook-perl by entering the following commands in the terminal:
sudo apt update sudo apt install libpod-2-docbook-perl
Description:
module for converting Pod data to DocBook SGML
Pod::2::DocBook is a module for translating Pod-formatted documents to DocBook 4.2 SGML (see http://www.docbook.org/). It is primarily a back end for pod2docbook, but, as a Pod::Parser subclass, it can be used on its own.
Homepage: https://metacpan.org/release/Pod-2-DocBook
Version: 0.03-3
Section: universe/perl