There are a many other features to GTKeyboard that aren't included in this manual that give you various degrees of freedom with the application. Among the (currently) undocumented features in GTKeyboard are the following that you can play with. Most that aren't described here are fairly straightforward. Actually, some are documented in the various README files within the source distribution, if you're interested. Failing enough information on any particular topic, please contact the author for clarification.