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December 2004
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2004.12.07 21:06 "Re: Having problems adding IPTC to a TIFF", by Gary Mcgath
At 03:45 PM 12/7/2004 -0500, you wrote: > Well maybe the first thing to do would be to see what Photoshop IS doing. > Since Adobe is in charge of the TIFF specs, if they're writing IPTC as a > LONG array, then THAT IS the spec, even if it's conceptually incorrect. If > they're writing UNDEFINED of whatever, then libtiff should definitely > follow. No!! The behavior of Adobe software is not the TIFF spec. The TIFF 6.0 Specification is the spec. If they violate their own published specifications, that's a bug in their software. There are in fact known bugs in Adobe software; for instance, under certain circumstances it will write the DateTime tag in the wrong format.That does not take precedence over the published specification, although it creates a body of files which you have to deal with till they fix it. --------- Gary McGath Digital Library Software Engineer Harvard University Library Office for Information Systems http://hul.harvard.edu/~gary/index.html