THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
...
The best-practice template engine that we recommend for HTML and other text generation is FreeMarker. It is like Velocity from Jakarta, but much more flexible and fits in nicely with other OFBiz Core Framework tools. Rather than running FreeMarker templates directly we strongly recommend using the OFBiz Screen Widget so that actions can be associated with screens and they can be decorated with common templates. We'll describe how to best use this below.
The view presenation presentation templates should always be kept as simple as possible and common content such as headers, footers, sidebars, and so on should be added at run-time using the decoration pattern. The template file that should be used to decorate each page is specified in the screen definition XML file.
...