On Thu, Jan 26, 2023 at 1:39 PM Peter Saint-Andre <stpe...@stpeter.im>
wrote:

> On 1/26/23 2:28 PM, Rob Sayre wrote:
> > Since you phrased your message as a question, I will answer. I don't
> know.
> >
> > But what the draft says also does not align with your last check.
>
> How so? The draft currently makes no claims about what is implemented in
> browsers, only notes that there can be differences between IDNA2008 and
> UTS-46.
>

I don't think that is quite right. The draft says

"it is not expected that differences between the URI and URL specifications
would manifest themselves in certificate matching."

but the WHATWG relies on UTS-46, not IDNA2008 [0]. If all browsers don't
follow this now, they soon will. Besides, these networking stacks are used
by tons of other applications. See [1].

The draft doesn't exactly say anything wrong, but you really have to do
what Chrome does to interoperate, and it hand waves about that.

thanks,
Rob

[0]
https://github.com/whatwg/url/commit/50f0b090cd89c27327402b2c51b40b260caea70d
[1] https://developer.android.com/codelabs/cronet#0
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