Pod::Tree parses a POD into a static syntax tree.
Applications walk the tree to recover the structure and content of the
Pod::Tree::Node objects are nodes in the tree that
represents a POD.
Pod::Tree::HTML walks a
translates it to HTML.
Pod::Tree::Pod walks a
translates it back to POD text.
Pod::Tree::Perl* translate the Perl PODs to HTML.
podtree2html translates a POD file into an HTML file.
pods2html walks a directory tree,
translates all the PODs that it finds into HTML files,
and puts the HTML files into a parallel directory tree.
perl2html translates the Perl PODs to HTML.