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* generic/tkImgPPM.c (StringReadPPM): Corrected a comparison
whose sense was reversed that resulted in reading beyond the
end of the input buffer on malformed PPM data. [Bug #1822391]
* tests/imgPPM.test (imgPPM-4.1): Added test case that
exercises [Bug #1822391].
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* generic/tkImgPPM.c:
* generic/tkImgPhoto.c:
* generic/tkMenu.c: Applied patch [461578], provided by Vincent
Darley. This fixes several memory leaks in the image code. They
happen if there are errors during the initialization of the
channel the image is supposed to be read from.
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* README: updated for patch level 8.3b1
* generic/tkScale.c:
* generic/tkScale.h: fixed possible core when freeing options
(cursor) associated with scale widget [Bug: 3897]
* generic/tk3d.c: added extra calculations to ensure that thin
frames get refreshed too [Bug: 3596]
* generic/tkCanvText.c:
* generic/tkEntry.c:
* generic/tkFont.c:
* generic/tkImgPPM.c: removed extranneous vars that were set but
never used.
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* generic/tkCmds.c:
* generic/tkImage.c:
* generic/tkImgBmap.c:
* generic/tkImgGIF.c:
* generic/tkImgPPM.c:
* generic/tkImgPhoto.c:
* generic/tkInt.h:
* generic/tkTest.c:
* generic/tkWindow.c:
* tests/imgPhoto.test: added Img patch (Nijtmans) with docs,
headers #def'd with USE_OLD_IMAGE. Upgrades image stuff to
Tcl_Obj API, adds alpha channel (images are now 32 bpp)
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