<a href="http://daringfireball.net/projects/markdown/syntax">Markdown syntax</a> allows you to write using an easy-to-read, easy-to-write plain text format. Based on Markdown Extra by <a href="http://www.michelf.com/projects/php-markdown/">Michel Fortin</a>, in turn based on the original Perl version by <a href="http://daringfireball.net/">John Gruber</a>.