On Fri, 28 Jan 2011 15:17:54 -0700, Jake Edge <jake at lwn.net> wrote:
> Hi Carl and Thomas, 
> On Sat, 29 Jan 2011 05:59:38 +1000 Carl Worth wrote:
> > Yes, I believe this is related to the dot in the name. From my
> > recollection a name with an address requires quoting. So the header
> > that is currently formatted as:
> > 
> >     From: LWN.net Weekly Notification <lwn at lwn.net>
> > 
> > should instead be:
> > 
> >     From: "LWN.net Weekly Notification" <lwn at lwn.net>
> I am by no means an expert, but http://www.ietf.org/rfc/rfc2821.txt
> would seem to indicate that names with a '.' in them don't need to be
> quoted as there are several lines in the Scenarios section that look
> like:
> C: From: John Q. Public <JQP at bar.com>
> unless the problem is XXX.yyy (i.e. no spaces on either side of the
> '.'), but that seems like a pretty arbitrary differentiator (i.e. 'Q. '
> is fine, but 'LWN.net' isn't)

The syntax is defined in http://www.faqs.org/rfcs/rfc2822.html in
particular section 3.2.4. From that it appears the unquoted use of
[a-Z][.a-Z]* is valid. However, I shall leave the intricacies to those
whose understand and appreciate the whole problem...

Chris Wilson, Intel Open Source Technology Centre

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