================================================================================
tabu environment
================================================================================
foo
\begin{tabu}{l|c|r}
bar
\end{tabu}
wibble
--------------------------------------------------------------------------------
(document
  (text)
  (tabu_env
    (begin
      (cs)
      (group (l) (name) (r))
      (group (l) (text) (r)))
    (text)
    (end
      (cs)
      (group (l) (name) (r))))
  (text))

================================================================================
tabu environment with position
================================================================================
foo
\begin{tabu}[t]{l|c|r}
bar
\end{tabu}
wibble
--------------------------------------------------------------------------------
(document
  (text)
  (tabu_env
    (begin
      (cs)
      (group (l) (name) (r))
      (brack_group (lbrack) (text) (rbrack))
      (group (l) (text) (r)))
    (text)
    (end
      (cs)
      (group (l) (name) (r))))
  (text))

================================================================================
tabu environment with width
================================================================================
foo
\begin{tabu}to 5in{l|c|r}
bar
\end{tabu}
wibble
--------------------------------------------------------------------------------
(document
  (text)
  (tabu_env
    (begin
      (cs)
      (group (l) (name) (r))
      (to)
      (dimension (fixed) (unit))
      (group (l) (text) (r)))
    (text)
    (end
      (cs)
      (group (l) (name) (r))))
  (text))

================================================================================
tabu environment with position and width
================================================================================
foo
\begin{tabu}spread 5in[t]{l|c|r}
bar
\end{tabu}
wibble
--------------------------------------------------------------------------------
(document
  (text)
  (tabu_env
    (begin
      (cs)
      (group (l) (name) (r))
      (spread)
      (dimension (fixed) (unit))
      (brack_group (lbrack) (text) (rbrack))
      (group (l) (text) (r)))
    (text)
    (end
      (cs)
      (group (l) (name) (r))))
  (text))

================================================================================
tabu environment inside math
================================================================================
foo
\[
\begin{tabu}{l|c|r}
bar
\end{tabu}
\]
wibble
--------------------------------------------------------------------------------
(document
  (text)
  (latex_display_math
    (cs)
    (tabu_env
      (begin
        (cs)
        (group (l) (name) (r))
        (group (l) (text) (r)))
      (math)
      (end
        (cs)
        (group (l) (name) (r))))
    (cs))
  (text))

================================================================================
tabu environment inside math with position
================================================================================
foo
\[
\begin{tabu}[t]{l|c|r}
bar
\end{tabu}
\]
wibble
--------------------------------------------------------------------------------
(document
  (text)
  (latex_display_math
    (cs)
    (tabu_env
      (begin
        (cs)
        (group (l) (name) (r))
        (brack_group (lbrack) (text) (rbrack))
        (group (l) (text) (r)))
      (math)
      (end
        (cs)
        (group (l) (name) (r))))
    (cs))
  (text))

================================================================================
tabu environment inside math with width
================================================================================
foo
\[
\begin{tabu}to 5in{l|c|r}
bar
\end{tabu}
\]
wibble
--------------------------------------------------------------------------------
(document
  (text)
  (latex_display_math
    (cs)
    (tabu_env
      (begin
        (cs)
        (group (l) (name) (r))
        (to)
        (dimension (fixed) (unit))
        (group (l) (text) (r)))
      (math)
      (end
        (cs)
        (group (l) (name) (r))))
    (cs))
  (text))

================================================================================
tabu environment inside math with position and width
================================================================================
foo
\[
\begin{tabu}spread 5in[t]{l|c|r}
bar
\end{tabu}
\]
wibble
--------------------------------------------------------------------------------
(document
  (text)
  (latex_display_math
    (cs)
    (tabu_env
      (begin
        (cs)
        (group (l) (name) (r))
        (spread)
        (dimension (fixed) (unit))
        (brack_group (lbrack) (text) (rbrack))
        (group (l) (text) (r)))
      (math)
      (end
        (cs)
        (group (l) (name) (r))))
    (cs))
  (text))

================================================================================
longtabu environment
================================================================================
foo
\begin{longtabu}{l|c|r}
bar
\end{longtabu}
wibble
--------------------------------------------------------------------------------
(document
  (text)
  (tabu_env
    (begin
      (cs)
      (group (l) (name) (r))
      (group (l) (text) (r)))
    (text)
    (end
      (cs)
      (group (l) (name) (r))))
  (text))

================================================================================
longtabu environment with position
================================================================================
foo
\begin{longtabu}[t]{l|c|r}
bar
\end{longtabu}
wibble
--------------------------------------------------------------------------------
(document
  (text)
  (tabu_env
    (begin
      (cs)
      (group (l) (name) (r))
      (brack_group (lbrack) (text) (rbrack))
      (group (l) (text) (r)))
    (text)
    (end
      (cs)
      (group (l) (name) (r))))
  (text))

================================================================================
longtabu environment with width
================================================================================
foo
\begin{longtabu}to 5in{l|c|r}
bar
\end{longtabu}
wibble
--------------------------------------------------------------------------------
(document
  (text)
  (tabu_env
    (begin
      (cs)
      (group (l) (name) (r))
      (to)
      (dimension (fixed) (unit))
      (group (l) (text) (r)))
    (text)
    (end
      (cs)
      (group (l) (name) (r))))
  (text))

================================================================================
longtabu environment with position and width
================================================================================
foo
\begin{longtabu}spread 5in[t]{l|c|r}
bar
\end{longtabu}
wibble
--------------------------------------------------------------------------------
(document
  (text)
  (tabu_env
    (begin
      (cs)
      (group (l) (name) (r))
      (spread)
      (dimension (fixed) (unit))
      (brack_group (lbrack) (text) (rbrack))
      (group (l) (text) (r)))
    (text)
    (end
      (cs)
      (group (l) (name) (r))))
  (text))

================================================================================
longtabu environment inside math
================================================================================
foo
\[
\begin{longtabu}{l|c|r}
bar
\end{longtabu}
\]
wibble
--------------------------------------------------------------------------------
(document
  (text)
  (latex_display_math
    (cs)
    (tabu_env
      (begin
        (cs)
        (group (l) (name) (r))
        (group (l) (text) (r)))
      (math)
      (end
        (cs)
        (group (l) (name) (r))))
    (cs))
  (text))

================================================================================
longtabu environment inside math with position
================================================================================
foo
\[
\begin{longtabu}[t]{l|c|r}
bar
\end{longtabu}
\]
wibble
--------------------------------------------------------------------------------
(document
  (text)
  (latex_display_math
    (cs)
    (tabu_env
      (begin
        (cs)
        (group (l) (name) (r))
        (brack_group (lbrack) (text) (rbrack))
        (group (l) (text) (r)))
      (math)
      (end
        (cs)
        (group (l) (name) (r))))
    (cs))
  (text))

================================================================================
longtabu environment inside math with width
================================================================================
foo
\[
\begin{longtabu}to 5in{l|c|r}
bar
\end{longtabu}
\]
wibble
--------------------------------------------------------------------------------
(document
  (text)
  (latex_display_math
    (cs)
    (tabu_env
      (begin
        (cs)
        (group (l) (name) (r))
        (to)
        (dimension (fixed) (unit))
        (group (l) (text) (r)))
      (math)
      (end
        (cs)
        (group (l) (name) (r))))
    (cs))
  (text))

================================================================================
longtabu environment inside math with position and width
================================================================================
foo
\[
\begin{longtabu}spread 5in[t]{l|c|r}
bar
\end{longtabu}
\]
wibble
--------------------------------------------------------------------------------
(document
  (text)
  (latex_display_math
    (cs)
    (tabu_env
      (begin
        (cs)
        (group (l) (name) (r))
        (spread) 
        (dimension (fixed) (unit))
        (brack_group (lbrack) (text) (rbrack))
        (group (l) (text) (r)))
      (math)
      (end
        (cs)
        (group (l) (name) (r))))
    (cs))
  (text))