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Re: entity header

From: Jacek Kopecky <jacek.kopecky@systinet.com>
Date: Fri, 16 Jan 2004 11:21:38 +0100
To: Mark Nottingham <mark.nottingham@bea.com>
Cc: Yves Lafon <ylafon@w3.org>, XMLP Dist App <xml-dist-app@w3.org>
Message-Id: <1074248498.20568.16.camel@localhost>

On Wed, 2004-01-14 at 19:59, Mark Nottingham wrote:
> > With this, I think the metadata element
> > should go from the core proposal because it's no longer needed.
> > Basically, I suggest we go back to
> 
> It's true that the only part that's interesting to MIFFYizing the 
> entity's body is the Content-Type; however, there are other bits of 
> metadata that may be interesting to the application that uses the 
> header. If we don't enable other headers, there will be loss of 
> information when an XML entity is transcoded to a MIME entity.

Mark, I don't believe it's the goal of XOP to create fully described
MIME entities out of the optimized parts, the goal is to optimize the
serialization of a document infoset. I believe we could just go with
marking every part (but the root) of the resulting MIME package as
application/octet-stream with no further information. The fact that we
may allow some more information from the infoset to be used when
creating the parts (like content-type and possibly other stuff) is nice,
but not necessary for the main goal. 

I think we shouldn't expand that goal too much - specifying the
content-type may be easy so we'll probably add it in XOP in some way,
handling other MIME or HTTP headers with the given layering
(Representation header takes advantage of XOP but XOP is not necessary
for Representation header to function properly) may not be as simple to
specify generally enough for it to be really useful.

Best regards,

                   Jacek Kopecky

                   Systinet Corporation
                   http://www.systinet.com/
Received on Friday, 16 January 2004 05:21:50 UTC

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