Install libhtml-html5-writer-perl by entering the following commands in the terminal:
sudo apt update sudo apt install libhtml-html5-writer-perl
Description:
output a DOM as HTML5
HTML::HTML5::Writer outputs XML::LibXML::Node objects as HTML5 strings. It works well on DOM trees that represent valid HTML/XHTML documents; less well on other DOM trees.
Homepage: http://search.cpan.org/dist/HTML-HTML5-Writer/
Version: 0.201-2
Section: universe/perl