DocBook
· DocBook is an XML vocabulary that lets you create documents in a presentation-neutral form that captures
the logical structure of your content. Using free tools along with the DocBook XSL stylesheets, you can publish your
content as HTML pages and PDF files, and in many other formats.
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window docbook-5.0-2.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.
