ies - we'll look at that in a bit.

            (If you were wondering, _'kajero'_ is the Esperanto word for _'notebook'_.)

            Let's have a look at some features.

            ## It's just Markdown

            Go ahead and take a look at the [page source](view-source:http://www.joelotter.com/kajero). You'll notice that the notebook is really just a Markdown document with some bookending HTML tags - it's the Kajero script that does all the work of rendering. You've got all the usability of Markdow