3. The method of claim 1 , wherein tagging at least the second section of said multi-version document to indicate its association with said alternative version includes the steps of: inserting into the multi-version document a plurality of alternative content nodes, each alternative content node indicating an alternative selection; and inserting into the multi-version document a selection node, said selection node indicating, in response to an alternative selection input, one of the plurality of alternative content nodes.
3. The method of claim 1 , wherein tagging at least the second section of said multi-version document to indicate its association with said alternative version includes the steps of: inserting into the multi-version document a plurality of alternative content nodes, each alternative content node indicating an alternative selection; and inserting into the multi-version document a selection node, said selection node indicating, in response to an alternative selection input, one of the plurality of alternative content nodes. 4. The method of claim 3 , wherein each of said alternative content nodes indicating an alternative selection is associated with one of a plurality of versions for the multi-version document.