1. A process for processing markup language documents relating to a news story, comprising the steps of: reading an input file having a first file format including a plurality of elements, the input file further including at least one of: timing information for representing distribution timing of the news story; and synchronization information for synchronizing a distribution of one of the plurality of elements with a distribution of another of the plurality of elements; the input file further including news story information for representing the news story; and verifying the first file format of the input file based on a document type definition defining a news story markup language.