/// <summary>Normalise the document.</summary>
/// <remarks>
/// Normalise the document. This happens after the parse phase so generally does not need to be called.
/// Moves any text content that is not in the body element into the body.
/// </remarks>
/// <returns>this document after normalisation</returns>
public virtual iText.StyledXmlParser.Jsoup.Nodes.Document Normalise()
{
iText.StyledXmlParser.Jsoup.Nodes.Element htmlEl = FindFirstElementByTagName("html", this);
if (htmlEl == null)
{
htmlEl = AppendElement("html");
}
if (Head() == null)
{
htmlEl.PrependElement("head");
}
if (Body() == null)
{
htmlEl.AppendElement("body");
}
// pull text nodes out of root, html, and head els, and push into body. non-text nodes are already taken care
// of. do in inverse order to maintain text order.
NormaliseTextNodes(Head());
NormaliseTextNodes(htmlEl);
NormaliseTextNodes(this);
NormaliseStructure("head", htmlEl);
NormaliseStructure("body", htmlEl);
EnsureMetaCharsetElement();
return(this);
}