texmath-0.12.2: tests/writers/08.tex
\left| \bar{z} \right| = |z|,\left| \left( \bar{z} \right)^{n} \right| = |z|^{n},\arg\left( z^{n} \right) = n\arg(z)
\left| \bar{z} \right| = |z|,\left| \left( \bar{z} \right)^{n} \right| = |z|^{n},\arg\left( z^{n} \right) = n\arg(z)