miniblog.

I carefully document `cargo install --locked` for difftastic users, I carefully use `--locked` for CI, and I've just realised that all my release builds totally ignore it! Oops. Anyone using my prebuilt binaries have been getting different Unicode width calculations in display.

WebAssembly seems like a totally reasonable bytecode format, but I've not had many opportunities to use it so far. Has wasm found its 'killer app' yet?

In Python I can choose any name for my instance variable when defining a method. In practice people almost always use `self`. Go has the same flexibility, but using other names for the instance is totally normal!