Hi José, First of all: I have libpng16-16.dll in my C:\Program Files\Emacs\bin\ directory. Do you? You didn't mention in your email if you do.
Cheers, J On 20151124 10:23, José Carlos Santos wrote:
Hi all, I am unable to preview images with Emacs 24.5.1 + AucTeX 11.89, working under Windows. Whenever I try to do that I get the "preview-image-type setting 'png unsupported by this Emacs" error. Why is that? It is written at ftp://ftp.gnu.org/gnu/emacs/windows/README that PNG: requires the PNG reference library 1.4 or later, which will be named libpngNN.dll or libpngNN-NN.dll. LibPNG requires zlib, which should come from the same source as you got libpng. Starting with Emacs 23.3, the precompiled Emacs binaries are built with libpng 1.4.x and later, and are incompatible with earlier versions of libpng DLLs. So if you have libpng 1.2.x, the PNG support will not work, and you will have to download newer versions. Therefore, I should already have PNG support. What am I missing? Best regards, José Carlos Santos
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