\Configure{foilheads} {}{}
{\IgnorePar\EndP\HCode{<h1 class="foilheadsHead">}}
{\HCode{</h1>}\IgnorePar}
\ConfigureEnv{Theorem}{\par\leavevmode}{\ShowPar}{}{}
\ConfigureEnv{Lemma}{\par\leavevmode}{\ShowPar}{}{}
\ConfigureEnv{Corollary}{\par\leavevmode}{\ShowPar}{}{}
\ConfigureEnv{Corollary*}{\par\leavevmode}{\ShowPar}{}{}
\ConfigureEnv{Proposition}{\par\leavevmode}{\ShowPar}{}{}
\ConfigureEnv{Definition}{\par\leavevmode}{\ShowPar}{}{}
\ConfigureEnv{Proof}{\par\leavevmode}{\ShowPar}{}{}
\ConfigureEnv{thebibliography}{\par\leavevmode}{\ShowPar}{}{}
\:CheckOption{1} \if:Option
\CutAt{foilheads}
\ConfigureToc{foilheads}{}{ *\ }{}{}
\Configure{tableofcontents*}{foilheads}
\fi
-_-_-