in-left:22%;">Print the version number (as
major.minor.revision) and exit.</p>

<p style="margin-left:11%;"><b>&minus;o</b>
<i>string</i></p>

<p style="margin-left:22%;">Specify the name of the output
file (as PNG format by default). Using &quot;-&quot; as
output name will direct output to &rsquo;stdout&rsquo;.</p>

<p style="margin-left:11%;"><b>&minus;&minus;</b>
<i>string</i></p>

<p style="margin-left:22%;">Explicitly specify the input
file. This option is useful if the input file starts with an
&rsquo