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Media typing of fragments

From: Noah Mendelsohn <nrm@arcanedomain.com>
Date: Thu, 03 May 2012 11:46:26 -0400
Message-ID: <4FA2A852.6090609@arcanedomain.com>
To: "www-tag@w3.org" <www-tag@w3.org>
I've just been reviewing the draft Media Fragments specification [1] and I 
note that it says of the Web:

"A further requirement put on a URI fragment is that the media type of the 
retrieved fragment should be the same as the media type of the primary 
resource. Among other things, this means that a URI fragment that points to 
a single video frame out of a longer video results in a one-frame video, 
not in a still image. To extract a still image, one would need to create a 
URI query scheme - something not envisaged here, but easy to devise."

I don't >think< I've seen anything in pertinent RFCs or in the Web Arch 
documents that mandates that conclusion. E.g. we use fragments to identify 
elements within an XML document; is an element a smaller XML document? I 
don't think so.

What am I missing? Is this a misunderstanding that the TAG should correct?

Thank you.


[1] http://www.w3.org/TR/2012/PR-media-frags-20120315/
Received on Thursday, 3 May 2012 15:46:52 UTC

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