Improve javadoc comments.
Improve javadoc comments.

Signed-off-by: Patrick Pelletier <4307fca26d0353058fbfb17dc5f40867e5e6b8e6@gmail.com>
Signed-off-by: Etienne M. Gagnon <bf06ec0eb40152cd863534753d026b021022c851@j-meg.com>

satabin/sablecc,satabin/sablecc,satabin/sablecc,satabin/sablecc,satabin/sablecc,satabin/sablecc