Pandoc is a command-line tool for converting from one markup format to
another. It can read markdown and (subsets of) reStructuredText, HTML,
and LaTeX, and it can write plain text, markdown, reStructuredText,
HTML, LaTeX, ConTeXt, PDF, RTF, DocBook XML, OpenDocument XML,
ODT, GNU Texinfo, MediaWiki markup, groff man pages, EPUB ebooks,
and S5 and Slidy HTML slide shows. PDF output (via LaTeX) is also supported
with the included markdown2pdf wrapper script.

When uninstalling, run this command to unregister the package from the ghc
package database:   ghc-pkg recache