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DocBook is a very popular set of tags for describing books, articles, and other prose documents, particularly technical documentation. DocBook provides a vast number of semantic element tags, divided into three broad categories: structural, block-level, and inline. DocBook content can then be published in a variety of formats, including HTML, PDF, WebHelp, and EPUB.

File Definition

A file is considered to be a DocBook 4 document when one of the following conditions are true:

  • The root element name is book or article.
  • The PUBLIC ID of the document contains the string -//OASIS//DTD DocBook XML.

Default Document Templates

There are a variety of default DocBook 4 templates available when creating new documents from templates and they can be found in: Framework Templates > DocBook 4.

The default templates for DocBook 4 documents are located in the [OXYGEN_INSTALL_DIR]/frameworks/docbook/templates/Docbook 4 folder.

Default Schema for Validation and Content Completion

The default schema that is used if one is not detected in the DocBook 4 file is docbookxi.dtd and it is stored in [OXYGEN_INSTALL_DIR]/frameworks/docbook/4.5/dtd/.

Default CSS

The default CSS files used for rendering DocBook content in Author mode are stored in [OXYGEN_INSTALL_DIR]/frameworks/docbook/css/.

By default, these default CSS files are merged with any that are specified in the document. For more information, see Configuring and Managing Multiple CSS Styles.

Default XML Catalog

The default XML Catalog, catalog.xml, is stored in [OXYGEN_INSTALL_DIR]/frameworks/docbook/.

Transformation Scenarios

Oxygen XML Editor includes numerous built-in DocBook transformation scenarios that allow you to transform DocBook 4 documents to a variety of outputs, such as WebHelp, PDF, HTML, HTML Chunk, XHTML, XHTML Chunk, and EPUB. For more information, see the DocBook 4 Transformation Scenarios section.