Attach (recommended) or Link to PDF file here:
https://www.nta.go.jp/taxes/tetsuzuki/shinsei/annai/joyaku/annai/pdf2/250.pdf

Configuration:
- Web browser and its version: Firefox 81.0a1
- Operating system and its version: Debian 5.6.7-1
- PDF.js version: latest in Firefox nightly
- Is a browser extension: No

Steps to reproduce the problem:
1. Open the pdf and paste the following text "本 店 又 は 主 た る 事 務 所 の 所 在 地" in "Full name" and in "Domicile and residence" textfields
2. Print or Save the pdf 

What is the expected behavior? (add screenshot)
![image](https://user-images.githubusercontent.com/5641725/91207547-30f05480-e709-11ea-9abd-2af5d970dc46.png)

What went wrong? (add screenshot)
![image](https://user-images.githubusercontent.com/5641725/91207663-69902e00-e709-11ea-8a1d-1ddd30cf0621.png)

Link to a viewer (if hosted on a site other than mozilla.github.io/pdf.js or as Firefox/Chrome extension):

et("Parent", parentDict);
        pRef = Ref.get(13, 0);
        const xref = new XRefMock([{ ref: popupRef, data: popupDict }]);
        AnnotationFactory.create(
          xref,
          popupRef,
          pdfManagerMock,
          idFactoryMock
        ).then(({ data, viewable }) => {
          ta.annotationType).toEqual(AnnotationType.POPUP);
          // We should not modify the `annotationFlags` returned through
          // e.g., the API.
          ta.annotationFlags).toEqual(25);
          // The popup should inherit the `viewable` property of the parent.
          expect(viewable).toEqual(true);
          done();
        }, done.fail);
      }
    );
    it(
      "should correctly inherit Contents from group-master annotation " +
        "if parent has ReplyType == Group",
      function (done) {
        const annotationRef = Ref.get(819, 0);
        const annotationDict = new Dict();
        annotationDict.set("Type", Name.get("Annot"));
        annotationDict.set("Subtype", Name.get("Text"));
        annotationDict.set("T", "Correct Title");
        annotationDict.set("Contents", "Correct Text");
        annotationDict.set("M", "D:20190423");