more

cpdfannot.ml

@@ -149,13 +149,24 @@ let list_annotations_json range pdf =
   let extra =
     map
       (fun n ->
-         `List [`Int ~-n; Cpdfjson.json_of_object ~utf8:true ~clean_strings:true pdf (fun _ -> ()) ~no_stream_data:false ~parse_content:false (Pdf.lookup_obj pdf n)])
-      (setify (flatten (map (Pdf.objects_referenced [] [] pdf) extra)))
+         `List
+           [`Int ~-n;
+            Cpdfjson.json_of_object ~utf8:true ~clean_strings:true pdf (fun _ -> ())
+              ~no_stream_data:false ~parse_content:false (Pdf.lookup_obj pdf n)])
+      (setify
+        (flatten
+          (map 
+            (fun x ->
+               let r = Pdf.objects_referenced [] [] pdf x in
+                 (*Printf.printf "%i extra for annot %s\n" (length r)
+                 (Pdfwrite.string_of_pdf x);*) r)
+          extra)))
   in
   let header =
     `List
      [`Int 0;
-      Cpdfjson.json_of_object ~utf8:true ~clean_strings:true pdf (fun _ -> ()) ~no_stream_data:false ~parse_content:false
+      Cpdfjson.json_of_object ~utf8:true ~clean_strings:true pdf (fun _ -> ())
+        ~no_stream_data:false ~parse_content:false
         (Pdf.Dictionary ["/CPDFJSONannotformatversion", Pdf.Integer 1])]
   in
   let json = `List ([header] @ json @ extra) in

cpdfmanual.tex

@@ -3,7 +3,7 @@
 %Document -draw and friends
 %Document -png -jpeg
 %Document -list-annotations[-json] now obey page range
-%Document round-tripping of annotations, supersede -copy-annotations
+%Document round-tripping of annotations, supersede -copy-annotations. Mark -clean-strings as deprecated since can fail to round-trip binary strings which begin with a BOM.
 \documentclass{book}
 % Edit here to produce cpdfmanual.pdf, cpdflibmanual.pdf, pycpdfmanual.pdf,
 % dotnetcpdflibmanual.pdf, jcpdflibmanual.pdf jscpdflibmanual.pdf etc.