Hmmm. Wonder what "track changes" does if you Ctrl-A highlight the entire old doc, and paste the entire new doc over it. (I imagine it registers it as one huge

Hmmm. Wonder what "track changes" does if you Ctrl-A highlight the entire old doc, and paste the entire new doc over it. (I imagine it registers it as one huge change, rather than tracking a zillion individual changes, but it might be interesting to try.)