write boolean value according to http://docs.oasis-open.org/office/v1.2/os/OpenDocument-v1.2-os-part1.html#datatype-boolean instead of just "1" for true or "" for false;
write boolean value according to http://docs.oasis-open.org/office/v1.2/os/OpenDocument-v1.2-os-part1.html#datatype-boolean instead of just "1" for true or "" for false;

box/spout