omponent isn't instantiated until the block content is rendered,
we can add arguments within the block.
In this case we'll add a text style option which will dictate the style of the body text we want in our post.
When <code>{{post.body}}</code> is instantiated, it will have both the <code>editStyle</code> and <code>postData</code> given by its wrapping component,
as well as the <code>bodyStyle</code> declared in the template.</p>
<div class="filename handlebars"><div class="ribbon"></div><span>app/template