I agree sliders are a problem, and I hope to have a solution there.
Syntactic differs already do better because they understand that parentheses/brackets are paired. Difftastic does OK with this example: https://imgur.com/a/pVlVBo5
Syntactic differs already do better because they understand that parentheses/brackets are paired. Difftastic does OK with this example: https://imgur.com/a/pVlVBo5
FWIW, the formatting of the snippets I wrote above was as two separate diffs for additions with the new additions (ie green parts) represented with [square brackets].