- [x] `make clean` should also remove the `venv` (see #856) - [x] `make clean-venv` should be added to only remove the `venv` (see #856) - [x] `make check` should check for the default role (see #866) - [x] `make htmlview` should be added (see #826) - [x] `make venv` shouldn't print when called by other targets (see #867)