The DiffFunction shows the changed parts of a page. Paragraphs removed show yellow and paragraphs added show green. Paragraphs that have changed show in both forms so that you can compare the old and the new version.
There are four places where the DiffFunction may be offered:
Sometimes you may select from different types of diffs:
If you generally prefer a certain type of diff you can enter it together with your UserName in your "Preferences".
- the last minor edit (may be a small correction that is of little interest)
- the last major change (by the last author)
- the author diff (this combines all works of the last person working on the page)