[Standards] question on xmpp core rfc

Peter Saint-Andre stpeter at stpeter.im
Tue Jul 1 19:09:04 UTC 2008


alek.silverstone at gmail.com wrote:
> Hi,
> 
>> Excerpt from [page 12, rfc 3920] xmpp core:
>>    4.  If either entity receives a stream header with no 'version'
>>        attribute, the entity MUST consider the version supported by the
>>        other entity to be "0.0" and SHOULD NOT include a 'version'
>>        attribute in the stream header it sends in reply.
>>
>> Is "0.0" a typo, it should instead be "1.0"?
> 
> From draft of 3920bis
> (http://www.xmpp.org/internet-drafts/draft-saintandre-rfc3920bis-06.html):
> [
> If either entity receives a stream header with no 'version' attribute,
> the entity MUST consider the version supported by the other entity to
> be "0.9" and SHOULD NOT include a 'version' attribute in the response
> stream header.
> ]
> 
> Version 0.9 is old Jabber protocol before XMPP 1.0.

Correct. I don't remember why we called it "0.0" in that section of RFC 
3920.

Peter




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