ag-gipp/GoUldI

                        _
Syntax::tsntxi: "F    , F     " is incomplete; more input is needed.
                  αβ   .  .
                         α β

ToExpression::esntx: 
   Could not parse F_{\alpha\beta},\bar{F}_{{\dot{\alpha}}{\dot{\beta}}}
     as input.

<math 
  xmlns='http://www.w3.org/1998/Math/MathML'>
  <semantics>
    <mi>$Failed</mi>
    <annotation-xml encoding='MathML-Content'>
      <ci>$Failed</ci>
    </annotation-xml>
  </semantics>
</math>