Re: MPEG asks for MIME review for the MPEG21 file format

Chris Lilley <chris@w3.org> Mon, 21 May 2007 15:24 UTC

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Date: Mon, 21 May 2007 17:24:33 +0200
From: Chris Lilley <chris@w3.org>
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To: "Anne van Kesteren" <annevk@opera.com>
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Subject: Re: MPEG asks for MIME review for the MPEG21 file format
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On Monday, May 21, 2007, 10:48:49 AM, Anne wrote:

AvK> On Sun, 20 May 2007 02:24:11 +0200, Chris Lilley <chris@w3.org>; wrote:
>> Swapping your sentences around: yes, the whole idea of +xml is that you  
>> know you can use a generic XML parser.

>> Something that might or might not be xml, therefore should not use +xml.

>> An XML parser must understand UTF-8 and UTF-16 and may understand other  
>> encodings. I gather that the Efficient XML folks will declare a new  
>> encoding, and parsers which don't know it will not parse it. Same is if  
>> I said the encoding was

>> encoding="i-bet-you-never-heard-of-this-one"

AvK> "Efficient XML" seems to be more on the content encoding level than the
AvK> character encoding level to me.

I would have thought so too, but Liam Quin tells me this is not the current thinking in the EXI WG.

AvK (Assuming you meant charset="blah" as
AvK> opposed to encoding="blah" above given your examples of UTF-8 and  
AvK> UTF-16...)

No, I meant exactly what I typed.
http://www.w3.org/TR/xml/#NT-EncodingDecl



-- 
 Chris Lilley                    mailto:chris@w3.org
 Interaction Domain Leader
 Co-Chair, W3C SVG Working Group
 W3C Graphics Activity Lead
 Co-Chair, W3C Hypertext CG