public DocumentFile CloneForPage(string urlFormat, string prependPathFormat, Paginator paginator)
{
var prependPath = String.Format(prependPathFormat, paginator.Pagination.Page);
var prependUrl = String.Format(urlFormat, paginator.Pagination.Page);
var dupe = new DocumentFile(this);
var updateFileName = Path.GetFileName(dupe.OutputRelativePath);
dupe.OutputRelativePath = Path.Combine(prependPath, updateFileName);
dupe.OutputPath = Path.Combine(dupe.OutputRootPath, prependPath, updateFileName);
dupe.RelativeUrl = String.Concat(prependUrl, updateFileName.Equals("index.html", StringComparison.OrdinalIgnoreCase) ? String.Empty : updateFileName);
dupe.Paginator = paginator;
return dupe;
}