- From: Scott Hayman <shayman@rim.com>
- Date: Tue, 6 Jun 2006 14:29:55 -0400
- To: "Anne van Kesteren" <fora@annevankesteren.nl>
- Cc: <www-svg@w3.org>
Hi Anne,
> From: Anne van Kesteren
> In
> <http://www.w3.org/TR/2005/WD-SVGMobile12-20051207/implnote.ht
> ml#VersionControl>
> it is first suggested that "version" does not provide
> sufficient information ("baseProfile" is needed as well), but
> later it is suggested that the UA can do something with
> "version" alone.
The part of the spec that I believe you are referring to says:
SVG content can also use attributes 'version' in conjunction
with 'baseProfile' to provide explicit indication of the minimal
features that must be supported.
Which is saying that both "version" and "baseProfile" can be used to
explicitly state what is the minimal set of features that must be
supported by a user agent to render the content. This does not mean
that "version" alone does not provide sufficient information, in some
cases, for a user agent to decide whether it has the required features
to support the content, as in the case you outline below.
> It seems logical to me that only "version" _can_ provide
> sufficient information the user agent. For example, if an
> implementation of some profile of SVG 1.2 encounters SVG
> content with "version" set to "1.5"... it probably "knows" it
> is going to ignore some elements and attributes given the
> forward compatible error handling...
Certainly that is the case in this example. But in the case where a SVG
Tiny 1.2 conformant user agent receives some content with version="1.2"
and baseProfile="full" (or anything other than tiny, for example), it
would need the information specified in both "version" and "baseProfile"
to make this decision.
> Please change the text to make it more clear what is actually meant.
The working group believes that the spec is clear in this matter.
Please let us know, within 2 weeks, if this does not address your
concern.
Regards,
Scott Hayman
On behalf of the SVG WG
[SVGT12-447]
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Received on Tuesday, 6 June 2006 18:34:35 UTC