The `A|E` selector from [CSS Namespaces Module Level 3](https://www.w3.org/TR/css-namespaces-3/) is another one that's already supported in `Mojo::DOM` and not in `@mojojs/dom`.
The
A|Eselector from CSS Namespaces Module Level 3 is another one that's already supported inMojo::DOMand not in@mojojs/dom.