$ sudo apt-get install docbook-html-forms
	

To use this module, specify the public and system identifiers of this module in your document type declaration. For example, to use this module to write a book, use the following document type declaration:

	
<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook HTML Forms Module V1.2CR1//EN"
               "http://www.oasis-open.org/docbook/xml/htmlforms/1.2CR1/dbforms.dtd">
	
	

Naturally, you can include an internal subset if you wish.

To incorporate this module into a higher-level customization layer, use the public and system identifiers of this module in your customization layer. For example:

	

<!DOCTYPE % docbookforms PUBLIC "-//OASIS//DTD DocBook HTML Forms Module V1.2CR1//EN"
                        "http://www.oasis-open.org/docbook/xml/htmlforms/1.2CR1/dbforms.dtd">
%docbookforms;