Kid templates, discover all keywords?
<p>I would like to discover all the keywords in a Kid Template (www.kid-templating.org)-- that is, everything that needs to be passed to instantiate the template.  Clearly, I could search for ${, but there are complications with this such as the expression inside the ${} could be complex.  Also this does not address the xml markup that Kid provides.  </p>

<p>Another possibility is to execute the template, catch the NameError exception, fill in a "dummy" value and repeat.  This is almost too painful to contemplate! :-)</p>

<p>There must be a better way!</p>
