private static void SelectOperator(Word @operator, Brush color, ref Span span, bool isNumerating) => span.Inlines.Add(Spans.Operator(@operator.ToString(), color, isNumerating));
private static void SelectOperator(Word @operator, Brush color, ref Span span, bool isNumerating) => span.Inlines.Add(Spans.Operator(@operator.ToString(), color, isNumerating));