13. The product of claim 12 further comprising means for comparing one document version saved after one session with an other document version saved after an other session.
13. The product of claim 12 further comprising means for comparing one document version saved after one session with an other document version saved after an other session. 14. The product of claim 13 further comprising means for visually comparing the one version of the document side-by-side with the other version of the document.