JID case sensitivity

[Martin Atkins]

Alex Vandiver wrote:
> Heya,
>   While looking at the roster created in
> DJabberd::RosterStorage::SQLite, I noticed that JIDs appeared more than
> once, with differing case.  Additionally, case canonicalization doesn't
> look like it's done anywhere in DJabberd::JID.  The RFC implies that
> resource identifiers are case-sensitive, but node identifiers and
> hostnames are _not_.  Am I misreading the spec, or is there a notable
> bug here?

Can you reference the specific section of the spec you're referring to?