DocBook is a document format that is set in a present for SGML and XML document type definition (DTD). It is particularly suitable for the creation of books, articles and documentaries in a technical environment (hardware or software). DocBook is an open standard that is maintained by the Organization for the Advancement of Structured Information Standards ( OASIS ).
The most widespread is the use of DocBook in open source projects. To use the Linux Documentation Project, the DTD to create the howto. KDE and GNOME / GTK use it as a basic format for all the API documentation and user manuals of the application programs.
A comparison between DocBook and intended for similar purposes Darwin Information Typing Architecture ( DITA ) is employed there advantages and compared with DocBook section.
The current version is DocBook V5.0 dated 12 August 2008. The main difference of 5.0 is to earlier 4.x version that a Docbook element in the document regardless of its position has the same content. Version 5.0 is not compatible with earlier versions.