{4}% Enumerate all styles: 0 to 12{0}
{4}% Not a valid laTeX file as entities are unbalanced and not semantically correct{0}
{4}% comment=4{0}

{4}% whitespace=0{0}
text	{4}%{0}

{4}% command=1{0}
{1}\documentclass{0}

{4}% tag=2{0}
{1}\begin{2}{document}{0}

{4}% tag closing=5{0}
{1}\end{5}{document}{0}

{4}% math=3{0}
{1}\begin{2}{math}{3}
E &= mc^2
{1}\end{5}{math}{0}

{4}% math block=6{0}
{1}\begin{2}{align}{6}
E &= mc^2
{1}\end{5}{align}{0}

{4}% comment block=7{0}
{1}\begin{2}{comment}{7}
A block comment
{1}\end{5}{comment}{0}

{4}% verbatim=8{0}
{1}\begin{2}{verbatim}{8}
puts $foo
{1}\end{5}{verbatim}{0}

{4}% short command=9{0}
{9}\(\){0}

{4}% special=10{0}
{10}\#{0}

{4}% command optional argument=11{0}
{1}\x{11}[12pt]{0}

{4}% error=12{0}
{12}\{0}