book'
class of LaTex has a default setting similar to
\Configure{sections}
{\HCode{<H1>}} {\HCode{</H1>}}
{\HCode{<H2>}} {\HCode{</H2>}}
{\HCode{<H3>}} {\HCode{</H3>}}
{\HCode{<P><EM>}} {\HCode{</EM>}}
{\HCode{<P><SMALL><STRONG>}} {\HCode{</STRONG></SMALL><P>}}