1. \ScriptEnv{environment} {preﬁx} {postﬁx}

This command deﬁnes a LaTeX environment

\begin{environment}
body
\end{environment}
which outputs its body in plain format, between the speciﬁed preﬁx and postﬁx.

2. \ScriptCommand{\command} {preﬁx} {postﬁx}

This command deﬁnes an environment

\command
body
\End command
which outputs its body in plain format, between the speciﬁed preﬁx and postﬁx.

3. \JavaScript...\EndJavaScript