title: Querying Ghostscript for the default options/settings of an output device (such as 'pdfwrite' or 'tiffg4')
body: <p>In <a href="https://stackoverflow.com/a/3461186/277826">this answer to 'GhostScript command line parameters to convert EPS to PDF'</a>; it is stated that the default resolution for the <code>pdfwrite</code> device of Ghostscript is 720x720, which I initially found unbelievable!</p>
  
  <p>Is there a way to list the default options of a Ghostscript device? </p>