[Standards] JID Escaping

Peter Saint-Andre stpeter at jabber.org
Mon Jul 30 19:42:23 UTC 2007

Matthias Wimmer wrote:
> Matthias Wimmer schrieb:
>> Going that way would AFAICS only require us to define a new stringprep
>> profile allowing the new characters as well as defining the new stream
>> feature. - I consider this to be cleaner, easier to implement and
>> being more solid.
> BTW: I have not checked the exact characters draft-ietf-eai-downgrade-04
> et al do allow to internationalized local parts of e-mail addresses. But
> I could imagine that they are using stringprep as well. So if the
> alloced characters in i18n e-mail addresses is a superset of the nodes
> in JIDs, we could just use the same stringprep profile for it.

As far as I can see, the email-i18n folks are not actively using
stringprep (there's one expired draft about that, but nothing current).

> If not I would propose to check if allowing the set union of characters
> allowed in internationalized local-parts of e-mail addresses would be
> possible. (i.e. any valid e-mail address could then be used as a JID as
> well)

Right. It's worth investigating.

Also, changing nodeprep seems like it might cause problems with backward
compatibility, no?


Peter Saint-Andre

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