Re: image/svg+xml, was: Feedback on Internet Media Types and the Web

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Julian Reschke writes:

> On 18.11.2010 19:32, Henry S. Thompson wrote:
>> I'm confused.  .svgz files should be served as
>>
>> Content-Type: image/svg+xml
>> Content-Encoding: gzip
>>
>> What's the problem?
>
> That's no problem.
>
> However it *is* a problem to claim that .svgz files have the type
> "image/svg+xml". They don't. Feed them into a recipient that expects
> XML and see it fail.

'claim'?  Claim how?  Who has claimed this?  How might someone claim
this in any substantive way, except by failing to include the above
Content-Encoding header in a message containing a gzipped SVG
document. . . 

OK, I've now followed the link [1] in your original message, and it
seems very odd to me.  The passage Mark Nottingham quotes, modulo the
correction of Content-Transfer-Encoding to Content-Encoding, seems
entirely satisfactory to me.  What is the Content-Encoding header [2]
_for_, if not precisely for this case:

 "The Content-Encoding entity-header field is used as a modifier to
  the media-type. When present, its value indicates what additional
  content codings have been applied to the entity-body, and thus what
  decoding mechanisms must be applied in order to obtain the
  media-type referenced by the Content-Type header field."

I've included Mark and Alexey in this conversation --- Alexey, I think
we particularly need to hear from you about what is wrong with a
message with the headers quoted above.

ht

[1] http://www.ietf.org/mail-archive/web/ietf-types/current/msg01010.html
[2] http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.11
- -- 
       Henry S. Thompson, School of Informatics, University of Edinburgh
      10 Crichton Street, Edinburgh EH8 9AB, SCOTLAND -- (44) 131 650-4440
                Fax: (44) 131 651-1426, e-mail: ht@inf.ed.ac.uk
                       URL: http://www.ltg.ed.ac.uk/~ht/
 [mail from me _always_ has a .sig like this -- mail without it is forged spam]
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Received on Thursday, 18 November 2010 19:02:31 UTC