I had a wheezy cough this morning so I stayed home from work; rather than lounge around playing video games I decided I would try to wrap my head around a VT220+ terminal emulator state-machine in Rust.

As it turns out, just mapping out the standards documents where these things are defined is more than a day's work, let alone when your head's a bit fluffy. Maybe this is one of those things that should wait for retirement...