private static void ExtractXml(string targetPdf)
{
string directory = Path.GetDirectoryName(targetPdf);
string filename = Path.GetFileNameWithoutExtension(targetPdf);
string xmlFileName = string.Format(@"{0}\{1}.xml", directory, filename);
PDFReadPlugin.ExtractXml(targetPdf,Utils.FileSystemUtil.MergePlainTextInTable);
}