Within a TEMPLATE element, a single TEMPLATE_INNER_CONTENT tag can be used to define where the inner content of the instantiated TEMPLATE should be placed.
First declare a template with an inner content tag as shown here:
Once this template has been declared, you can instantiate it with additional inner content:
The code above is equivalent to writing:
The TEMPLATE_INNER_CONTENT tag is replaced by the content declared within the instantiated template.