texmath-0.6.7: tests/writers/mfencedAdelims6.tex
\left\lbrack {a}+{b}\right)\left\{ \left. \frac{{a}}{{b}} \right| \frac{{d}}{{e}} ;{a}+{b}+{a}+{b}\right\} \left\lbrack {a}+{b}\right)\left\{ \left. \frac{{a}}{{b}} \right| \frac{{d}}{{e}} ;{a}+{b}+{a}+{b}\right\}