2 <!DOCTYPE equation PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN" "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">
3 <equation><title>Fermat's Last Theorum</title><alt>x^n + y^n ≠ z^n ∀ n ≠ 2</alt><graphic fileref="figures/fermat"/></equation>