Document Classes ⇒ Auto Creation of Change document from Ver 1 and V2

[pthowe]

Hi Everyone,
I am looking for a Document Style. I have a project which is a group of files which produce a single Tex Document. It is time to create version 2 of the document. I would also like some way of producing a document of change pages.
Does such a Document Style exist? Is it practical to create such a document Style?
Any Suggestions on how to accomplish this Style?

Thanks