> "Law XYZ, Paragraph 5a, Sentence 3 is changed to read as follows: '...', Sentence 7 is appended with '...', Sentence 8 is removed"
That is basically a manual description of a git diff.
With the main difference being that you don't get an actually usable visual diff for free but instead have to buy those from third party vendors to make any use out of the manual diffs.