centerbaseline=false
mml=<math xmlns="http://www.w3.org/1998/Math/MathML"><mfenced separators="|"><mrow><mfenced open="{" close="}" separators="|"><mrow><mn>1</mn><mo>,</mo><mi mathvariant="normal"> </mi><mi mathvariant="normal">ω</mi><mo>,</mo><mi mathvariant="normal"> </mi><msup><mi mathvariant="normal">ω</mi><mn>2</mn></msup></mrow></mfenced><mo>•</mo></mrow></mfenced></math>