FFO is a simple formatting library, mainly target to be used with old systems that do not support xml or other types of messages.
Note that this is a very very small library, just aimed at somthing I needed and I couldn't find... well a library like this to do it.
If the answer to some or all of these questions is yes, this library might be for you.
Before struggling with something you see not working, check the KnownBugs test, if you have a new one, feel free to report it.