Usage of xnsdoc
xnsdoc can be used
Eclipse Plugin Usage
Choose a Schema file in the navigator or in the package explorer, right-click on the file and select the context menu entry Export. Now choose xnsdoc from the list of export destinations.
Select the files that you want to document, choose a target folder and select your options. On the last page, you can define the header, title, bottom and footer text. After pressing Finish, the documentation is created.