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I got GIMP, and used the "Save as JPEG" output to see if it's including metadata.

According to jhead[1], GIMP is not including metadata in the saved JPEG.

At quality "13", the file was 46302 bytes. Using the "purejpg" option on jhead, it dropped to 45592, or -710 bytes.

This 45592 bytes is exactly, to the byte, what the original article found.

[1] http://www.sentex.net/~mwandel/jhead/usage.html

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