================================================================================
description environment with optional parameter
================================================================================
\begin{description}[foo]
bar
\end{description}
--------------------------------------------------------------------------------
(document
  (itemize_env
    (begin
      (cs)
      (group (l) (name) (r))
      (brack_group (lbrack) (text) (rbrack)))
    (text)
    (end
      (cs)
      (group (l) (name) (r)))))

================================================================================
description*
================================================================================
\begin{description*}
bar
\end{description*}
--------------------------------------------------------------------------------
(document
  (itemize_env
    (begin
      (cs)
      (group (l) (name) (r)))
    (text)
    (end
      (cs)
      (group (l) (name) (r)))))

================================================================================
description* environment with optional parameter
================================================================================
\begin{description*}[foo]
bar
\end{description*}
--------------------------------------------------------------------------------
(document
  (itemize_env
    (begin
      (cs)
      (group (l) (name) (r))
      (brack_group (lbrack) (text) (rbrack)))
    (text)
    (end
      (cs)
      (group (l) (name) (r)))))

================================================================================
enumerate environment with optional parameter
================================================================================
\begin{enumerate}[foo]
bar
\end{enumerate}
--------------------------------------------------------------------------------
(document
  (itemize_env
    (begin
      (cs)
      (group (l) (name) (r))
      (brack_group (lbrack) (text) (rbrack)))
    (text)
    (end
      (cs)
      (group (l) (name) (r)))))

================================================================================
enumerate*
================================================================================
\begin{enumerate*}
bar
\end{enumerate*}
--------------------------------------------------------------------------------
(document
  (itemize_env
    (begin
      (cs)
      (group (l) (name) (r)))
    (text)
    (end
      (cs)
      (group (l) (name) (r)))))

================================================================================
enumerate* environment with optional parameter
================================================================================
\begin{enumerate*}[foo]
bar
\end{enumerate*}
--------------------------------------------------------------------------------
(document
  (itemize_env
    (begin
      (cs)
      (group (l) (name) (r))
      (brack_group (lbrack) (text) (rbrack)))
    (text)
    (end
      (cs)
      (group (l) (name) (r)))))

================================================================================
itemize environment with optional parameter
================================================================================
\begin{itemize}[foo]
bar
\end{itemize}
--------------------------------------------------------------------------------
(document
  (itemize_env
    (begin
      (cs)
      (group (l) (name) (r))
      (brack_group (lbrack) (text) (rbrack)))
    (text)
    (end
      (cs)
      (group (l) (name) (r)))))

================================================================================
itemize*
================================================================================
\begin{itemize*}
bar
\end{itemize*}
--------------------------------------------------------------------------------
(document
  (itemize_env
    (begin
      (cs)
      (group (l) (name) (r)))
    (text)
    (end
      (cs)
      (group (l) (name) (r)))))

================================================================================
itemize* environment with optional parameter
================================================================================
\begin{itemize*}[foo]
bar
\end{itemize*}
--------------------------------------------------------------------------------
(document
  (itemize_env
    (begin
      (cs)
      (group (l) (name) (r))
      (brack_group (lbrack) (text) (rbrack)))
    (text)
    (end
      (cs)
      (group (l) (name) (r)))))