Edit File: languagefile-with-properties.xml
<?xml version="1.0" encoding="ISO-8859-1" standalone="yes" ?> <driver-data> <holidays> <holiday> <internal-name>jesusCircumcision</internal-name> <translation>Circoncision de Jésus</translation> <properties> <property id="type">static</property> <property id="since">4th century</property> </properties> </holiday> </holidays> </driver-data>