This declaration appears first in the package and instructs the JavaScript engine
how to process the contents.
Action packages
<!DOCTYPE package PUBLIC "-//TippingPoint Inc//SMS Quarantine IEE Action Script 1.2//EN" "./iee-action-1_2.dtd">
Device packages
<!DOCTYPE package PUBLIC "-//TippingPoint Inc//SMS Quarantine Network Device Script 1.1//EN" "./iee-device-1_1.dtd">