On Tue, 19 Jun 2018 at 13:47, Kevin Smith <[email protected]> wrote:
> On 19 Jun 2018, at 12:09, Bartłomiej Górny < > [email protected]> wrote: > > > > Hi > > > > If a XEP states that an attribute "MUST be empty", does it mean that it: > > a) must be present and have a value "" > > b) must not be there > > c) can be either of the two > > > > The question arose because of XEP-0313, which in point 5.1.2 says: > > > > "When sending out the archives to a requesting client, > > the 'to' of the forwarded stanza MUST be empty" > > > > and then gives an example where forwarded stanzas have no 'to' > attribute. We just hit a situation where there are conflicting > implementations, and we want to sort it out The Right Way, hence the > question. > > Sounds like we messed up the text, sorry. The right thing is to not > include a to, rather than including a to=“” (which is illegal). > > Is it (illegal)? It's valid in XML 1.0 and XML 1.1, if my Google skills are not failing me. Differentiating between not having a to attribute, and having a to attribute with an empty value seems needlessly complicated to me. > /K > _______________________________________________ > Standards mailing list > Info: https://mail.jabber.org/mailman/listinfo/standards > Unsubscribe: [email protected] > _______________________________________________ >
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