The International Digital Publishing Forum (IDPF), the standards and trade association for digital publishing, announced today the release of a new technical standard to facilitate digital content creation, distribution and use by consumers. In addition to the Open eBook Publication Structure (OEBPS), an XML standard for authoring digital books, the IDPF has now released a new standard for packaging a digital publication, including the contents of the publication, metadata, signatures, encryption, rights and other information into one standard file.