public Radical(SourceSpan source, Atom baseAtom, Atom degreeAtom = null)
: base(source)
{
this.BaseAtom = baseAtom;
this.DegreeAtom = degreeAtom;
}
public TexFormulaHelper(TexFormula formula, SourceSpan source)
{
this.formulaParser = new TexFormulaParser();
this.Formula = formula;
this.source = source;
}