texmath-0.9.4: tests/writers/mtable-04.eqn
matrix{
ccol{ H above T above U }
ccol{ A above I above Y }
} = matrix{
ccol{ A above I above Y }
ccol{ H above T above U }
}
matrix{
ccol{ H above T above U }
ccol{ A above I above Y }
} = matrix{
ccol{ A above I above Y }
ccol{ H above T above U }
}