Re: [csswg-drafts] [css-images-3] clarification on metadata position in specific file formats (#8543)

On a related note, PNG originally allowed EXIF to be either before or after the image data. Web browsers ignore EXIF for things like rotation, if it is after the image data. And now that the PNG spec is being maintained again, we made it that EXIF has to be before the image data.

https://w3c.github.io/PNG-spec/#eXIf
https://w3c.github.io/PNG-spec/#5ChunkOrdering

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Received on Tuesday, 11 July 2023 17:03:26 UTC