texmath-0.12.5: test/writer/eqn/mtable-10.test

<<< native
[ EArray
    [ AlignCenter , AlignCenter , AlignCenter ]
    [ [ [ EUnder
            False (EIdentifier "HT") (EPhantom (EText TextNormal "fail"))
        ]
      , [ ESymbol Rel "=" ]
      , [ EIdentifier "TH" ]
      ]
    ]
]
>>> eqn
matrix{
ccol{ {HT from {hphantom {roman "fail"}}} }
ccol{ = }
ccol{ TH }
}