This is not the current version of DocBook. Please use the current version instead.
DocBook V4.0 is available as a zip archive.
You can also retrieve the files individually if you prefer:
The DocBook V4.0 README.
Changes in 4.0 from 3.1.
Backwards-incompatible changes planned for the 5.0 release.
The DocBook DTD.
The DocBook DTD “information pool” module.
The DocBook DTD “hierarchy” module.
The DocBook DTD “notations” module.
The DocBook DTD “character entities” module.
The DocBook DTD “general entities” module.
The SGML Open CALS Table model.
The recommended SGML declaration for the DocBook DTD.
An OASIS catalog for the DocBook DTD.
