Re: Comments on httpbis-client-hints-01

On 2016-06-03 13:26, Vasiliy Faronov wrote:
> On Thu, Jun 2, 2016 at 12:50 AM, Ilya Grigorik <> wrote:
>>> 3. Are requirements like "If DPR occurs in a message more than once"
>>> (ditto for the other fields) useful? Duplicating these fields is
>>> already invalid per RFC 7230.
>> Ah, happy drop those if they're no longer needed. Any objections?
> To expand on this:
> I think many implementors will simply use whatever their platform's
> equivalent of "request.headers['DPR']" gives them. For many (as in
> WSGI/CGI), this will be all field-values joined by a comma. Those
> requirements will make such implementations non-conformant--for no
> good reason, it seems.

But these implementations *could* split on comma and use the last value, 

What would *you* want the spec to say? Just be silent about it? Or 
declare invalid therefore "must ignore"?

Best regards, Julian

Received on Friday, 3 June 2016 11:55:33 UTC