================================================================================
newcommand
================================================================================
\newcommand\foo{$\bar}
--------------------------------------------------------------------------------
(document
  (newcommand
    (cs)
    (cs)
    (group (l) (math_shift) (cs) (r))))

================================================================================
newcommand with parameter count
================================================================================
\newcommand\foo[2]{$\bar}
--------------------------------------------------------------------------------
(document
  (newcommand
    (cs)
    (cs)
    (brack_group (lbrack) (text) (rbrack))
    (group (l) (math_shift) (cs) (r))))

================================================================================
newcommand with parameter count and default value
================================================================================
\newcommand\foo[2][wibble]{$\bar}
--------------------------------------------------------------------------------
(document
  (newcommand
    (cs)
    (cs)
    (brack_group (lbrack) (text) (rbrack))
    (brack_group (lbrack) (text) (rbrack))
    (group (l) (math_shift) (cs) (r))))

================================================================================
[makeatletter] @ sign not letter
================================================================================
\bar@wibble
--------------------------------------------------------------------------------
(document
  (cs)
  (text))

================================================================================
[makeatletter] @ sign is letter
================================================================================
\makeatletter\bar@wibble\makeatother
--------------------------------------------------------------------------------
(document
  (makeatletter (cs))
  (cs)
  (makeatother (cs)))

================================================================================
[makeatletter] @ sign is letter in text group
================================================================================
\makeatletter{\bar@wibble}\makeatother
--------------------------------------------------------------------------------
(document
  (makeatletter (cs))
  (group
    (l)
    (cs)
    (r))
  (makeatother (cs)))

================================================================================
[makeatletter] @ sign is letter in optional text group
================================================================================
\makeatletter\usepackage[foo\bar@wibble]{foo}\makeatother
--------------------------------------------------------------------------------
(document
  (makeatletter (cs))
  (use (cs)
    (brack_group
      (lbrack)
      (text)
      (cs)
      (rbrack))
    (group (l) (name) (r)))
  (makeatother (cs)))

================================================================================
[makeatletter] @ sign is letter then other
================================================================================
\makeatletter\bar@wibble\makeatother\quux@gronk
--------------------------------------------------------------------------------
(document
  (makeatletter (cs))
  (cs)
  (makeatother (cs))
  (cs)
  (text))

================================================================================
Error Recovery - display math inside newenvironment
================================================================================
\newenvironment{mathluacode}{\[\luacode}{\endluacode\]}
--------------------------------------------------------------------------------
(document
  (newenvironment
    (cs)
    (group (l) (name) (name) (r))
    (group
      (l) (latex_display_math (cs) (cs) (exit)) (r))
    (group
      (l) (cs) (cs) (r))))

================================================================================
Error Recovery - display math inside newenvironment
================================================================================
\newenvironment{mathluacode}{\(\luacode}{\endluacode\)}
--------------------------------------------------------------------------------
(document
  (newenvironment
    (cs)
    (group (l) (name) (r))
    (group (l) (cs) (cs) (r))
    (group (l) (cs) (cs) (r))))

================================================================================
Error Recovery - newenvironment based on existing environment (the wrong way)
================================================================================
\newenvironment{foo}{\begin{bar}}{\end{bar}}
--------------------------------------------------------------------------------
(document
  (newenvironment
    (cs)
    (group (l) (name) (r))
    (group (l) (cs) (group (l) (text) (r)) (r))
    (group (l) (cs) (group (l) (text) (r)) (r))))

================================================================================
newtheorem
================================================================================
\newtheorem{foo}{bar}
--------------------------------------------------------------------------------
(document
  (newtheorem
    (cs)
    (group (l) (text) (r))
    (group (l) (text) (r))))

================================================================================
newtheorem with within counter
================================================================================
\newtheorem{foo}[wibble]{bar}
--------------------------------------------------------------------------------
(document
  (newtheorem
    (cs)
    (group (l) (text) (r))
    (brack_group (lbrack) (text) (rbrack))
    (group (l) (text) (r))))

================================================================================
newtheorem with like counter
================================================================================
\newtheorem{foo}{bar}[wibble]
--------------------------------------------------------------------------------
(document
  (newtheorem
    (cs)
    (group (l) (text) (r))
    (group (l) (text) (r))
    (brack_group (lbrack) (text) (rbrack))))

================================================================================
newtheorem with within counter and dangling bracket group
================================================================================
\newtheorem{foo}[wibble]{bar}[quux]
--------------------------------------------------------------------------------
(document
  (newtheorem
    (cs)
    (group (l) (text) (r))
    (brack_group (lbrack) (text) (rbrack))
    (group (l) (text) (r)))
  (text))

================================================================================
newcounter
================================================================================
\newcounter{foo}
--------------------------------------------------------------------------------
(document
  (newcounter
    (cs)
    (group (l) (text) (r))))

================================================================================
newcounter with optional parameter
================================================================================
\newcounter{foo}[bar]
--------------------------------------------------------------------------------
(document
  (newcounter
    (cs)
    (group (l) (text) (r))
    (brack_group (lbrack) (text) (rbrack))))

================================================================================
newlength
================================================================================
\newlength{\foo}
--------------------------------------------------------------------------------
(document
  (newlength
    (cs)
    (group (l) (cs) (r))))


================================================================================
newsavebox
================================================================================
\newsavebox{\foo}
--------------------------------------------------------------------------------
(document
  (newsavebox
    (cs)
    (group (l) (cs) (r))))

================================================================================
newfont
================================================================================
\newfont{\foo}{wibble}
--------------------------------------------------------------------------------
(document
  (newfont
    (cs)
    (group (l) (cs) (r))
    (group (l) (text) (r))))

================================================================================
protect in text mode
================================================================================
\protect\cite{foo}
--------------------------------------------------------------------------------
(document
  (protect
    (cs)
    (cite
      (cs)
      (group (l) (text) (r)))))

================================================================================
protect in math mode
================================================================================
\protect\(\sqrt[n]{foo}\)
--------------------------------------------------------------------------------
(document
  (protect
    (cs)
    (latex_inline_math
      (cs)
      (sqrt
        (cs)
        (brack_group (lbrack) (math) (rbrack))
        (group (l) (math) (r)))
      (cs))))