================================================================================
tag
================================================================================
\begin{equation}
foo\tag{bar}
\end{equation}
--------------------------------------------------------------------------------
(document
  (display_math_env
    (begin (cs) (group (l) (name) (r)))
    (math)
    (tag (cs) (group (l) (text) (r)))
    (end (cs) (group (l) (name) (r)))))

================================================================================
text
================================================================================
\begin{equation}
foo\text{bar}
\end{equation}
--------------------------------------------------------------------------------
(document
  (display_math_env
    (begin (cs) (group (l) (name) (r)))
    (math)
    (text_cmd (cs) (group (l) (text) (r)))
    (end (cs) (group (l) (name) (r)))))

================================================================================
align environment
================================================================================
foo
\begin{align}
bar
\end{align}
quux
--------------------------------------------------------------------------------
(document
  (text)
  (display_math_env
    (begin (cs) (group (l) (name) (r)))
    (math)
    (end (cs) (group (l) (name) (r))))
  (text))

================================================================================
align* environment
================================================================================
foo
\begin{align*}
bar
\end{align*}
quux
--------------------------------------------------------------------------------
(document
  (text)
  (display_math_env
    (begin (cs) (group (l) (name) (r)))
    (math)
    (end (cs) (group (l) (name) (r))))
  (text))

================================================================================
alignat environment
================================================================================
foo
\begin{alignat}{2}
bar
\end{alignat}
quux
--------------------------------------------------------------------------------
(document
  (text)
  (alignat_env
    (begin
      (cs)
      (group (l) (name) (r))
      (group (l) (text) (r)))
    (math)
    (end (cs) (group (l) (name) (r))))
  (text))

================================================================================
alignat* environment
================================================================================
foo
\begin{alignat*}{2}
bar
\end{alignat*}
quux
--------------------------------------------------------------------------------
(document
  (text)
  (alignat_env
    (begin
      (cs)
      (group (l) (name) (r))
      (group (l) (text) (r)))
    (math)
    (end (cs) (group (l) (name) (r))))
  (text))

================================================================================
equation* environment
================================================================================
foo
\begin{equation*}
bar
\end{equation*}
quux
--------------------------------------------------------------------------------
(document
  (text)
  (display_math_env
    (begin (cs) (group (l) (name) (r)))
    (math)
    (end (cs) (group (l) (name) (r))))
  (text))

================================================================================
flalign environment
================================================================================
foo
\begin{flalign}
bar
\end{flalign}
quux
--------------------------------------------------------------------------------
(document
  (text)
  (display_math_env
    (begin (cs) (group (l) (name) (r)))
    (math)
    (end (cs) (group (l) (name) (r))))
  (text))

================================================================================
flalign* environment
================================================================================
foo
\begin{flalign*}
bar
\end{flalign*}
quux
--------------------------------------------------------------------------------
(document
  (text)
  (display_math_env
    (begin (cs) (group (l) (name) (r)))
    (math)
    (end (cs) (group (l) (name) (r))))
  (text))

================================================================================
gather environment
================================================================================
foo
\begin{gather}
bar
\end{gather}
quux
--------------------------------------------------------------------------------
(document
  (text)
  (display_math_env
    (begin (cs) (group (l) (name) (r)))
    (math)
    (end (cs) (group (l) (name) (r))))
  (text))

================================================================================
gather* environment
================================================================================
foo
\begin{gather*}
bar
\end{gather*}
quux
--------------------------------------------------------------------------------
(document
  (text)
  (display_math_env
    (begin (cs) (group (l) (name) (r)))
    (math)
    (end (cs) (group (l) (name) (r))))
  (text))

================================================================================
multiline environment
================================================================================
foo
\begin{multiline}
bar
\end{multiline}
quux
--------------------------------------------------------------------------------
(document
  (text)
  (display_math_env
    (begin (cs) (group (l) (name) (r)))
    (math)
    (end (cs) (group (l) (name) (r))))
  (text))

================================================================================
multiline* environment
================================================================================
foo
\begin{multiline*}
bar
\end{multiline*}
quux
--------------------------------------------------------------------------------
(document
  (text)
  (display_math_env
    (begin (cs) (group (l) (name) (r)))
    (math)
    (end (cs) (group (l) (name) (r))))
  (text))

================================================================================
split environment
================================================================================
foo
\begin{split}
bar
\end{split}
quux
--------------------------------------------------------------------------------
(document
  (text)
  (display_math_env
    (begin (cs) (group (l) (name) (r)))
    (math)
    (end (cs) (group (l) (name) (r))))
  (text))

================================================================================
split* environment
================================================================================
foo
\begin{split*}
bar
\end{split*}
quux
--------------------------------------------------------------------------------
(document
  (text)
  (display_math_env
    (begin (cs) (group (l) (name) (r)))
    (math)
    (end (cs) (group (l) (name) (r))))
  (text))

================================================================================
eqref
================================================================================
\eqref{eq:foo}
--------------------------------------------------------------------------------
(document
  (ref
    (cs)
    (group (l) (text) (r))))