de class="literal">CAIRO_MIME_TYPE_UNIQUE_ID</code></a> mime type will be stored in PostScript
printer memory for the duration of the print
job. <a class="link" href="cairo-cairo-surface-t.html#CAIRO-MIME-TYPE-UNIQUE-ID:CAPS" title="CAIRO_MIME_TYPE_UNIQUE_ID"><code class="literal">CAIRO_MIME_TYPE_UNIQUE_ID</code></a> should only be used for small
frequently used sources.</p>
<p>The <a class="link" href="cairo-cairo-surface-t.html#CAIRO-MIME-TYPE-CCITT-FAX:CAPS" title="CAIRO_MIME_TYPE_CCITT_FAX"><code class=