Move libraryName

@@ -101,6 +101,8 @@ class PdfXrefTable extends PdfDataType with PdfDiagnostic {
 
   final int lastObjectId;
 
+  static const String libraryName = 'https://github.com/DavBfr/dart_pdf';
+
   /// Writes a block of references to the Pdf file
   void _writeBlock(PdfStream s, int firstId, List<PdfXref> block) {
     s.putString('$firstId ${block.length}\n');
@@ -125,13 +127,16 @@ class PdfXrefTable extends PdfDataType with PdfDiagnostic {
 
     s.putString('%PDF-$v\n');
     s.putBytes(const <int>[0x25, 0xC2, 0xA5, 0xC2, 0xB1, 0xC3, 0xAB, 0x0A]);
+    s.putComment(libraryName);
     assert(() {
       if (o.settings.verbose) {
-        setInsertion(s);
+        setInsertion(s, 350);
         startStopwatch();
         debugFill('Verbose dart_pdf');
-        debugFill('Producer https://github.com/DavBfr/dart_pdf');
+        debugFill('Producer $libraryName');
         debugFill('Creation date: ${DateTime.now()}');
+        debugFill('Compress: ${o.settings.compress}');
+        debugFill('Crypto: ${o.settings.encryptCallback != null}');
       }
       return true;
     }());

@@ -17,6 +17,7 @@
 import '../document.dart';
 import '../format/dict.dart';
 import '../format/string.dart';
+import '../format/xref.dart';
 import 'object.dart';
 
 /// Information object
@@ -39,15 +40,14 @@ class PdfInfo extends PdfObject<PdfDict> {
             if (subject != null) '/Subject': PdfString.fromString(subject),
             if (keywords != null) '/Keywords': PdfString.fromString(keywords),
             if (producer != null)
-              '/Producer': PdfString.fromString('$producer ($_libraryName)')
+              '/Producer': PdfString.fromString(
+                  '$producer (${PdfXrefTable.libraryName})')
             else
-              '/Producer': PdfString.fromString(_libraryName),
+              '/Producer': PdfString.fromString(PdfXrefTable.libraryName),
             '/CreationDate': PdfString.fromDate(DateTime.now()),
           }),
         );
 
-  static const String _libraryName = 'https://github.com/DavBfr/dart_pdf';
-
   /// Author of this document
   final String? author;