stead of sets, a <code>Template</code> object
may contain multiple named template definitions,
in effect constructing
name spaces for template invocation.
A template can invoke any other template associated with it, but only those
templates associated with it.
The simplest way to associate templates is to parse them together, something
made easier with the new structure of the packages.
</p>

<p>
<em>Updating</em>:
The imports will be updated by fix tool.
Single-template uses will be otherwise be largely un