Convert Markdown syntax to (X)HTMLhttp://search.cpan.org/dist/Text-Markdown/
Markdown is a text-to-HTML filter; it translates an easy-to-read /
easy-to-write structured text format into HTML. Markdown's text format is
most similar to that of plain text email, and supports features such as
headers, *emphasis*, code blocks, blockquotes, and links.
Markdown's syntax is designed not as a generic markup language, but
specifically to serve as a front-end to (X)HTML. You can use span-level
HTML tags anywhere in a Markdown document, and you can use block level HTML