private OpenXmlPackageVisitor Fold([NotNull] OpenXmlPackageVisitor subject)
{
Document document = Document.Concat(subject.Document);
Footnotes footnotes = Footnotes.Concat(subject.Footnotes);
XElement styles =
new XElement(
Styles.Name,
Styles.Attributes(),
Styles.Elements()
.Union(
subject.Styles
.Elements()
.Where(x => x.Name != W + "docDefaults")
.Where(x => (string)x.Attribute(W + "styleId") != "Normal"),
XNode.EqualityComparer));
XElement numbering =
new XElement(
Numbering.Name,
Numbering.Attributes(),
Numbering.Elements()
.Union(
subject.Numbering.Elements(),
XNode.EqualityComparer));
// TODO: write a ThemeVisit
// XElement theme =
// new XElement(
// Theme.TargetUri,
// Theme.Attributes(),
// Theme.Elements()
// .Union(
// subject.Theme.Elements(),
// XNode.EqualityComparer));
return(With(document, footnotes, styles, numbering, subject.Theme1));
}