texmath-0.12.2: tests/writers/12.eqn
f left ( x right ) = left { matrix{
lcol{ 1 above {1 over 2} above {1 \[u2212] x sup 2} }
lcol{ {\[u2212] 1 <= x < 0} above {x = 0} above {roman "otherwise"} }
} right ""
f left ( x right ) = left { matrix{
lcol{ 1 above {1 over 2} above {1 \[u2212] x sup 2} }
lcol{ {\[u2212] 1 <= x < 0} above {x = 0} above {roman "otherwise"} }
} right ""