md2man is a Ruby library and command-line program that converts
Markdown documents into UNIX manual pages (both Roff and HTML).
Demonstration of HTML manual page output from md2man-html(1):
Fix “uninitialized constant Md2Man::VERSION” error in
HTML manual page CSS: justify the lines of text just like man(1)
HTML manual page CSS: resize body to allot 78ex width for manpage