centerbaseline=false
mml=<math xmlns="http://www.w3.org/1998/Math/MathML"><mfenced open="{" close="}"><mrow><mi>x</mi><mo>|</mo><mi>x</mi><mo>&lt;</mo><mo>-</mo><mn>1</mn><mo>&nbsp;</mo><mtext>atau</mtext><mo>&nbsp;</mo><mi>x</mi><mo>&gt;</mo><mn>6</mn></mrow></mfenced></math>
