/// <summary>
/// A convenience method to retrieve the child argument at the position referenced by
/// index. Note that this is not necessarily the same as the index-th child
/// Node of this Element; in particular, sep elements will not be counted.
/// </summary>
public XmlNode GetArgument(int index)
{
return(arguments.Item(index));
}
/// <summary>
/// This method returns the indexth child argument element of this element.
/// This frequently differs from the value of Node::childNodes().item(index),
/// as qualifier elements and declare elements are not counted.
/// </summary>
public MathMLElement GetArgument(int index)
{
return((MathMLElement)arguments.Item(index));
}
