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	* libtiff/tif_print.c: avoid pretty printing other fields when
	we don't have the proper amount and type of data or if the field
	is actually autodefined.

2012-06-05  Frank Warmerdam  <warmerdam@google.com>

	* libtiff/tif_tile.c, libtiff/tif_strip.c: Ensure that illegal
	ycbcrsubsampling values result in a runtime error, not just an
	assertion.

	* tests/custom_dir.c: Add testing of EXIF and custom directory
	reading and writing.

	* libtiff/tif_dir.c, libtiff/tiffio.h: Add TIFFCreateCustomDirectory()
	and TIFFCreateEXIFDirectory() functions.

	* libtiff/tif_dir.c, tif_print.c : Remove FIELD_CUSTOM handling for
	PAGENUMBER, HALFTONEHINTS, and YCBCRSUBSAMPLING.  Implement DOTRANGE
	differently.  This is to avoid using special TIFFGetField/TIFFSetField
	rules for these fields in non-image directories (like EXIF).

2012-06-04  Frank Warmerdam  <warmerdam@google.com>

	* libtiff/tif_jpeg.c: Remove code for fixing up h_sampling and v_sampling
	in JPEGPreDecode().  If a fixup will be done it needs to be done sooner
	in JPEGFixupTagsSubsampling() or else buffer sized may be wrong.

2012-06-01  Frank Warmerdam  <warmerdam@google.com>

	* tools/tiffinfo.c: Do not try to read image data in EXIF directories.

	* libtiff/tif_getimage.c: added support for _SEPARATED CMYK images.
	http://bugzilla.maptools.org/show_bug.cgi?id=2379

	* libtiff/tif_unix.c: use strerror() to return a more specific error message
	on failed open.
	http://bugzilla.maptools.org/show_bug.cgi?id=2341

	* libtiff/tif_jpeg.c: Fix JPEGDecodeRaw() bugs.
	http://bugzilla.maptools.org/show_bug.cgi?id=2386

	* tests/decode_raw.c, tests/images/quad-tile.jpg.tiff: add limited support
	for testing jpeg in tiff image decoding including the "raw" decode interface.

2012-05-31  Frank Warmerdam  <warmerdam@google.com>

	* libtiff/tif_jpeg.c: avoid overrunning the end of the output buffer in
	JPEGDecodeRaw() - mostly likely to occur when there is confusion about
	sampling values.

	* libtiff/tif_read.c: Make sure tif_rawdatasize is cleared when tif_rawdata is freed.

	* libtiff/tif_getimage.c: Add support for greyscale+alpha c/o Jérémie Laval.
	http://bugzilla.maptools.org/show_bug.cgi?id=2398

2012-05-29  Frank Warmerdam  <warmerdam@google.com>

	* libtiff/tif_dir.c: avoid using specific set/get logic to process fields in custom directories,
	like EXIF directories.  This fixes problems like a tag "320" existing in a custom directory getting
	processed as if it were a colormap when it isn't really.  Damn the wide variety of argument formulations
	to get/set functions for different tags!

	* libtiff/tif_dir.c: Ensure that we keep track of when tif_rawdata
	is a pointer into an mmap()ed file via TIFF_BUFFERMMAP flag.

2012-05-24  Frank Warmerdam  <warmerdam@google.com>

	* libtiff/tif_pixarlog.c: Allocate working buffer one word larger since we "forward
	accumulate" and overwrite the end by one word in at least some cases.

2012-05-23  Frank Warmerdam  <warmerdam@google.com>

	* libtiff/tif_pixarlog.c: avoid accessing out of the lookup arrays for out of range inputs.

	* tools/tiffinfo.c: initialize h=0 to avoid undefined variable for degenerate files.

	* libtiff/tif_ojpeg.c: if OJPEGWriteHeader() fails once do not bother trying again on
	the same image.

	* libtiff/tif_ojpeg.c: make things more resilient in the face of files without
	stripbytecounts or stripoffsets or where loading these fails.

	* libtiff/tif_print.c: be careful about whether min/max values are singular
	or one per sample.

	* libtiff/tif_print.c: Avoid confusion about count size when printing custom fields.
	May affect things like ISOSpeedRatings.

	* libtiff/tif_dir.c: avoid one byte past end of ink names reading
	in some cases.

2012-05-19  Bob Friesenhahn  <bfriesen@simple.dallas.tx.us>

	* man/TIFFGetField.3tiff: Correct the 'count' field type in the
	example for how to retreive the value of unsupported tags.

2012-03-30  Frank Warmerdam  <warmerdam@google.com>

	* tif_getimage.c: Fix size overflow (zdi-can-1221,CVE-2012-1173)
	care of Tom Lane @ Red Hat.

2012-02-18  Bob Friesenhahn  <bfriesen@simple.dallas.tx.us>

	* libtiff 4.0.1 released.

	* Update automake used to 1.11.3.

	* libtiff/tiffio.h: Use double-underbar syntax in GCC printf
	attribute specification to lessen the risk of accidental macro
	substitution.  Patch from Vincent Torri.

2012-01-31  Frank Warmerdam  <warmerdam@pobox.com>

	* libtiff/tif_dir.c, libtiff/tif_dirread.c: Extra caution around
	assumption tag fetching is always successful.

	* libtiff/tif_jpeg.c: Extra caution for case where sp is NULL.

2012-01-22  Bob Friesenhahn  <bfriesen@simple.dallas.tx.us>