Adding head support to the html tag

Due to the way my markup is structured, I have multiple HTML (ERB) templates starting with the `body` tag. So instead of adding `hx-ext="head-support"` on each and every one of them, I want to put it on the `html` tag which is declared once in my global layout file.

Will this work? I've been searching the docs but all examples use the `body` tag for `hx-ext` / `hx-boost`.