miniblog.

What piece of syntax has the most different meanings? I realised today that `as` is extremely overloaded. It can be used for aliasing imports (Python), type casts (Rust), binding pattern match variables (OCaml), type assertions (Hack) and probably many others.

I'm still pleasantly surprised when difftastic does a good job. Here's an example I saw today: adding a new variable with or_else() is extremely readable!

Difftastic 0.19 is out! In this release: * Vastly improved syntax highlighting! * Smart fallback to textual diffing for extremely large files * Many smaller bugfixes: