Traditional Internet publishing D elivery of structured information via the World Wide Web has long been a challenge to professional publishers. Structure allows the representation of the hierarchical structure that is inherent to most documents dealt with on a day to day basis. The simplest example is a book, which consists of a title, followed by a table of contents, followed by chapters that are broken down into sections and subsections. Markup enables the creator of a document to preserve information about parts of a document. For instance to be able to mark explicitly the title enables powerful processing of the document.
Document formats vary in terms of how much structure and markup they allow.
Standards Publishers must manage large collections of documents, often of a similar type and on similar topics. It is in their interest to create documents using formats that can be processed or modified for a long time after the original creation. A standard should also be independent, not under the control of a single vendor. Industry consortiums or similar groups of widespread participants are better suited to control a standard. Rendering Human beings are visual.