<?xml version="1.0"?> <!DOCTYPE para PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN" "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd"> <para> An example of a postal mail address in the United States is: <address> John and Jane Doe <street>100 Main Street</street><city>Anytown</city>, <state>NY</state><postcode>12345</postcode><country>USA</country></address></para>