Paxedit is a nifty Emacs project that goes beyond paredit: https://github.com/promethial/paxedit/blob/master/readme.org
It understands e.g. (setf x 1 y 2), where you want to transpose pairs of expressions. It's also smart enough to allow you to operate on the sexp containing point, without you needing to move!
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I've released difftastic 0.50!
In this release:
* Merge conflicts! Difftastic now understands <<<<<<< syntax and shows a syntactic diff of the underlying files.
* Updated parsers for Elixir, Erlang, Go, Kotlin and Racket
* Various styling quality-of-life improvements
I've been thinking about making difftastic smarter about context. In principle it understands structure, so I could limit context to the enclosing definition.
However, sometimes it's nice to see surrounding code. Line 644 isn't useful, but maybe 655 is. Opinions?
I've changed the difftastic slogan to " a structural diff that understands syntax".
Previously I just said "a diff that understands syntax", but users sometimes assumed it was just a diff with syntax highlighting. Hopefully this communicates the purpose better.