s</dt>
<dd>1 inch equals 2.54 centimeters.  The inch measure is sometimes
represented by <dfn><abr>in</abr></dfn> or a quotation mark (<abr>&quot;</abr>) to the right
of a measure, like 8.5in or 8.5&quot;.
U.S. "letter" paper is exactly
8.5in&times;11in, approximately 21.6cm&times;27.9cm.  (See in the usage
documentation all the <a href="Use.htm#Known_paper_sizes">paper sizes
predefined in Ghostscript</a>.)</dd>

<dt>Points</dt>
<dd>Points are a measure traditionally used in the printing trade and now
in Po