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Re: [SVGM[obile12] requiredFormats psuedo MIME types

From: Chris Lilley <chris@w3.org>
Date: Tue, 10 Jan 2006 21:16:54 +0100
Message-ID: <1362093121.20060110211654@w3.org>
To: www-svg@w3.org

Hello www-svg,

 Tor writes:

> The format definition specifies MIME types, but then contradicts that 
> just a paragraph later "Given that several important file formats are 
> still not registered..."  Making up your own non-IANA/IETF pseudo MIME 
> types seems ill-advised.

Agreed, although its more complex than that. Its not just that there are
missing media types (subtypes) - the response there is clearly to
register them - its also that there are missing top/level types (eg
font/* ) and uses that are not covered by the MIME top level types (like
script, and style). XSL, for example, is served as application/xml.

It might be easier to see by looking at this part of the spec in 1.2
because that has more of the functional specifiers.

We are not encouraging use of non-registered types. On the other hand,
we were trying to disambiguate cases where the media type by itself is
ambiguous (eg some of the application/* types).

See for example the font format specifiers in CSS2

We are happy to make it clearer that we recommend registering new media

 Chris Lilley                    mailto:chris@w3.org
 Chair, W3C SVG Working Group
 W3C Graphics Activity Lead
 Co-Chair, W3C Hypertext CG
Received on Tuesday, 10 January 2006 20:16:58 UTC

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