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Implement CCITT Fax Decoding #16
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Not all PDF content producers strictly adhere to the spec recommendations.
Allow reading of embedded faxes by wrapping the data with a suitable tiff header. Does not do any parsing of the data, but should be sufficient to read fax imagery in most cases, I think.
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Implement very basic decoding of CCITT fax image data, which I needed to extract image data from PDFs generated by libtiff.
i found i had to loosen the header signature check as the implementation my sender is using includes some extra whitespace.