Tips and Surprises

There is currently no way to escape expressions so that they are not filtered. See http://jira.codehaus.org/browse/ARCHETYPE-39

You can, however, prevent an entire file from being filtered:

No Format
<archetype> ... <resources> <resource filtered="false">src/main/resources/example/package.properties</resource> ... </resources> ... </archetype>

Archetype Plugin