Alexey Melnikov wrote:
> Abhijit Menon-Sen wrote:
>
> > At 2002-08-19 18:20:27, [EMAIL PROTECTED] wrote:
> > >
> > > "RFC2060 has an error in the definition of data-value. The syntax allows
> > > the value to be empty, since '#flag' includes zero instances of flag. The
> > > only valid way to indicate "no flags" is to use an empty flag-list, that
> > > is, '()'.
> > >
> > > So should a IMAP server support an empty value?
> >
> > No.
>
> ABNF disagrees.
Just to clarify what I really meant: the only way to indicate "no flags" is to
specify empty list "()"
> > > Has there been any updates on this part of RFC2060 after this?
> >
> > The latest draft (draft-crispin-imapv-17.txt) updates the grammar thus:
> >
> > flag-list = "(" [flag *(SP flag)] ")"
>
> Thus the empty value MUST be supported.
>
> > store-att-flags = (["+" / "-"] "FLAGS" [".SILENT"]) SP
> > (flag-list / (flag *(SP flag)))
Regards,
Alexey Melnikov
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R & D, ACI Worldwide/MessagingDirect
Richmond, Surrey, UK
Phone: +44 20 8332 4508
Home Page: http://orthanc.ab.ca/mel
I speak for myself only, not for my employer.
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