More image notes.
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nt/INSTALL
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nt/INSTALL
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@ -77,18 +77,22 @@
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* Optional image library support
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To build Emacs with support for PNG image, the libpng and zlib
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To build Emacs with support for PNG images, the libpng and zlib
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headers must be in the include path when the configure script is
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run. Likewise, the jpeg headers must be in the include path for
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JPEG support. This can be setup using environment variables, or by
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run. This can be setup using environment variables, or by
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specifying --cflags -I... options on the command-line to
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configure.bat. The configure script will report whether it was able
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to detect the headers.
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configure.bat. Similarly, the jpeg-6b, libXpm, tiff and libungif
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headers need to be in the include path for support for those image
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formats to work. The configure script will report whether it was
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able to detect the headers.
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To use the PNG support, zlib.dll (or zlibd.dll) and libpng.dll (or
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libpng13.dll, or libpng13d.dll) must be on the PATH or in the same
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directory as emacs.exe when Emacs is started. For JPEG support,
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jpeg.dll must be on the path or emacs.exe directory.
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directory as emacs.exe when Emacs is started. Similar instructions
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apply for other image libraries. Note that tiff support depends on
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the jpeg library. If you did not compile the libraries yourself, you
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must make sure that the jpeg library you install is the same one
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that the tiff library was compiled against.
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* Building
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