public KSFileAnnotationProvider(PSPDFDocumentProvider docProv)
     : base(docProv)
 {
     Console.WriteLine ("KSFileAnnotationProvider (PSPDFDocumentProvider docProv)");
 }
 public override PSPDFDocumentProvider DidCreateDocumentProvider(PSPDFDocumentProvider documentProvider)
 {
     var provider = base.DidCreateDocumentProvider (documentProvider);
     Console.WriteLine (provider.AnnotationParser.FileAnnotationProvider);
     return provider;
 }