At 11:32 AM 3/15/2007 -0700, Vladimir Vukicevic wrote:
>Glenn Randers-Pehrson wrote:
> > Would this be acceptable to anyone?
> >
> > MIME type and file extension
> >
> > Since an APNG meets the PNG file syntax specification, authors can
> > present them as "image/png" and use the ".png" extension. Authors who
> > wish to distinguish clearly between static images and animations
> > can use MIME type "video/x-mng" and file extension ".mng" for APNGs.
>
>I don't agree with this; APNG is a backwards-compatible extension to
>PNG, as was said; for maximum compatability, the png extension and
>image/png MIME type should almost always be used.
They "should" not be used. image/png violates the RFC that defines
"image" (yes, we know image/gif violates it too and is commonly used).
Incidentally, video/x-png would also be appropriate and legal.
>While using mng and
>video/x-mng would be technically valid (since a MNG decoder would be
>able to interpret at least the static PNG data), explicitly specifying
>that option in the spec seems like it would just lead to confusion.
Stating the truth would just lead to confusion. Right. Doing it the
right way won't work. Right.
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