PUBLIC MARKS with tags standard & xpath

The Mars (code name) Project is an XML-friendly implementation of PDF syntax. Already an open specification, PDF is the global standard for trusted, high fidelity electronic documentation. The Mars file format incorporates additional industry standards such as SVG, PNG, JPG, JPG2000, OpenType, Xpath and XML into ZIP-based document container. The Mars plug-ins enable recognition of the Mars file format by Adobe Acrobat 8 and Adobe Reader 8 software.

Mars is the code name for technology being developed by Adobe that provides an Extensible Markup Language (XML)-based representation of Portable Document Format (PDF) documents. The Mars Project is an XML friendly representation of PDF documents. The Mars file format incorporates additional standards such as SVG, PNG, JPG, JPG2000, OpenType, Xpath and XML into a ZIP-based document container.