I worked for a long time on a Pages document:
I didn't activate
Edit > Track Changes.
I saved the modified Pages with a new name:
Now I would like to check I didn't forget a key point or made any error and review all the modifications I made.
How may I compare
This isn't a comparison I can deal with manually (too much text, too many small spelling fixes).
I can't use any Microsoft software. I can use any Unix command line.