This is the *first* editor. ------------------------------ Just plain **Markdown**, except that the `input` is sanitized: <marquee>I'm the ghost from the past! marquee won't work</marquee> > Block quote this will be in the block quote too This is a code block. a link [google](http://www.google.com) horizontal rule: ____ Unordered lists use asterisks, pluses: * Red * Green * Blue is equivalent to: + Red + Green + Blue Ordered lists: 1. Bird 1. McHale 1. Parish an image:  > Blockquotes can contain other Markdown elements, including headers, lists, and code blocks: > ## This is a header. > > 1. This is the first list item. > 2. This is the second list item. > > Here's some example code: > > return shell_exec("echo $input | $markdown_script");