(see emacs-devel discussion concluding 2009-01-10 05:10 GMT)
In addition to its "native" image formats (pbm and xbm), Emacs can
handle other image types: xpm, tiff, gif, png, jpeg and experimental
- support for svg (postscript is currently unsupported on Windows).
+ support for svg.
To build Emacs with support for them, the corresponding headers must
be in the include path when the configure script is run. This can
be setup using environment variables, or by specifying --cflags