It's funny how languages can offer multiple forms of syntax, but formatters standardise to a single form.
E.g. single vs double quotes in JS, optional semicolons in JS, different ways of grouping imports in Rust.
Should new languages be more syntactically opinionated?
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Do commas ever appear in idiomatic Clojure? It's syntactically legal but I don't think I've ever seen them in the wild.
Difftastic now handles tab characters precisely! This sounds like a small thing, but it's crucial when parsing Makefile syntax.
Makefiles look way better now.
(Technically tabs are also syntactically significant inside string literals, and that case is fixed too.)
Diff sliders are a really interesting problem for AST diffs. Here's a surprising example.
At first, it looks like the first `|` should be highlighted. However the first `|` is the outer `match` case, and the inner | is syntactically an or-pattern!
