/// <summary>
/// Builds an XML Document objcet
/// </summary>
/// <param name="Document">Document being built.</param>
/// <param name="Parent">Parent element.</param>
/// <param name="Variables">Current set of variables.</param>
internal override void Build(XmlDocument Document, XmlElement Parent, Variables Variables)
{
foreach (XmlScriptProcessingInstruction PI in this.processingInstructions)
{
PI.Build(Document, Parent, Variables);
}
this.root?.Build(Document, Parent, Variables);
}