Re: #409: is parsing OBS-FOLD mandatory?

[Mark Nottingham <[e-mail]>]

On 19/12/2012, at 6:12 PM, Willy Tarreau <[e-mail]> wrote:

> Hi Mark,
> 
> On Wed, Dec 19, 2012 at 11:50:21AM +1100, Mark Nottingham wrote:
>> 
>> On 12/12/2012, at 5:57 PM, Willy Tarreau <[e-mail]> wrote:
>>> 
>>> So what do you think about the following change on top of yours :
>>> 
>>> """
>>> If a received protocol element is processed, the recipient MUST be able to
>>> parse any value that would match the ABNF rules for that protocol element,
>>> excluding only those rules not applicable to the recipient's role, and those
>>> rules whose names begin with "obs-" (e.g., obs-fold). However, the recipient
>>> MUST be able to detect the rules it cannot parse and MUST reject such
>>> messages.
>>> """
>> 
>> 
>> I'm OK with that, except that your MUST can be read to apply to those that
>> aren't applicable to the recipient's role (unintentionally, I think).
> 
> I don't completely understand what you meant, I'm sorry :-)
> 
> Do you mean that it can be read that it is mandatory for the recipient to
> understand the whole language even if it's not interested in it ?


Pretty much. It may not be a practical concern, but it doesn't read well. I think it can be fixed editorially.

Cheers,


--
Mark Nottingham   http://www.mnot.net/