\documentclass{book}
%
\usepackage[latin1]{inputenc}
\usepackage{t1enc}
\input
tex4ht.sty
\Preamble{html}
\begin{document}
\EndPreamble
\def\x{
(252)
(253)}
%
--------------------------------
\x
========
\Picture*{}
\x
\EndPicture{}
\end{document}