How does locale get inside an XRSession?

[aphillips]

Proposed comment

https://www.w3.org/TR/webxr/#applicationflow

In discussing this issue, it occurs to me that there doesn't seem to be a way for locale to be communicated/set on an XR session (or children, such as views or such). How does the XR rendering content find out what language the user wants for localization (or other contextual information)?

I imagine this is actually a solved problem, but there is no mention of it in WebXR, so call it out.

Because of timing issues, I'm going to file this as a personal comment now. The WG will review it later.

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