Re: EXIF support in PNG

"eXIF" should read "eXIf" in two places.

Glenn

On Tue, Jan 3, 2017 at 8:33 PM, John Bowler <
[email protected]> wrote:

> Attached and below is an update proposal removing the 20170102
> unsafe-to-copy designation.
>
> ================================================================
> PNG CHUNK PROPOSAL: eXIf
>
> SPECIFICATION
> =============
>
> The four-byte chunk type field contains the decimal values
>
> 101 88 73 102
>
> The eXIF chunk contains EXIF metadata with a length given by the chunk
> length.  Such data shall be compatible with specifications issued by
> CIPA, "Exchangeable image file format for digital still cameras" [CIPA
> DC-008-2016] or its successors.
>
> At most one eXIF chunk shall occur in a PNG stream.  The chunk has no
> chunk-specific positioning requirements; it may appear before or after
> the IDAT chunks.
> ================================================================
>
> --
> John Bowler <[email protected]>
> +1 (541) 450-9885
> PO BOX 3151
> KERBY OR 97531-3151
> USA
>
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