Maintainers, it's possible to have two keyboard shortcuts at the same time. For now, we have this PR implementing Inkscape style shortcuts

1. canvas-zoom-in   : =
2. canvas-zoom-out : -
3. canvas-zoom-fit   : 0

The above new canvas zoom shortcuts is already paving way for UX consistency for issue #1122

However, if you want to keep the legacy style

1. canvas-z

vpype line 0 0 0 3cm write test.svg
vpype read test.svg