Install libpod-elemental-perl by entering the following commands in the terminal:
sudo apt update sudo apt install libpod-elemental-perl
module for manipulating POD elements
Pod::Elemental is a system for treating Perl's Plain Old Documentation (POD) format as trees of elements. This model is similar in nature to, though less sophisticated than, the HTML Document Object Model (DOM). This makes it easy to perform many different transformations on the document data.