Add required environment definitions to latex for tex2html

file.tex

\newenvironment{lemma}
	{\begin{verse}
	Lemma:
	}
	{\end{verse}}
\newenvironment{theorem}
	{\begin{verse}
	Theorem:
	}
	{\end{verse}}
\newenvironment{definition}
	{\begin{verse}
	Definition:
	}
	{\end{verse}}
\newenvironment{proof}
	{\begin{verse}
	Proof:
	}
	{\end{verse}}

newenvironment{example}
	{\begin{verse}
	Example:
	}
	{\end{verse}}
newenvironment{framed}
	{\begin{verse}
	Framed:
	}
	{\end{verse}}
\newenvironment{proposition}
	{\begin{verse}
	Proposition:
	}
	{\end{verse}}
\renewenvironment{center}
	{\begin{verse}
	Center:
	}
	{\end{verse}}
\newenvironment{remark}
	{\begin{verse}
	Remark:
	}
	{\end{verse}}