data/snuggletex/276.mml
<math xmlns="http://www.w3.org/1998/Math/MathML"><mfenced close=")" open="("><msub><mi>η</mi><mrow><mi>μ</mi><mi>ν</mi></mrow></msub></mfenced><mo>=</mo><mrow><mi>d</mi><mi>i</mi><mi>a</mi><mi>g</mi></mrow><mfenced close=")" open="("><mn>-1</mn><mn>1</mn><mn>1</mn><mn>1</mn></mfenced></math>