2 \subsection{PPM viewer
}
3 Open a PPM file in the
\setting{File Browser
} to view it.
5 ppmviewer exits when any button is pressed.
8 Both ASCII PPM (P3) and raw PPM (P6) files are supported.
10 For more information about PPM files, see
\url{http://netpbm.sourceforge.net/doc/ppm.html
}