Re: Multiple header fields with the same field name - unwritten assumption about quoted commas in values?

On Wed, Jan 9, 2013 at 6:22 PM, Julian Reschke <julian.reschke@gmx.de> wrote:
> On 2013-01-09 18:05, Piotr Dobrogost wrote:
>>
>> This leads to some questions:
>> What are the requirements on parser of conforming user agent in regard
>> to parsing header fields' values? Is it required to parse header
>> fields' values of all registered header fields? Is it required to
>> parse header fields' values for header fields which it handles? Is it
>> required to parse quoted-string values?
>
>
> I don't understand. Why (and how) would you "parse" field values that you
> don't know? To "parse", you need an ABNF, no?

Right, you need ABNF to parse; I did not say otherwise. However I
don't see how this answers any of the above questions.

Regards,
Piotr