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):

OPS.endAnnotation,
          ]);
          expect(opList.argsArray[3][0][0].fontChar).toEqual("✔");
          done();
        })
        .catch(done.fail);
    });
    it("should render checkboxes for printing", function (done) {
      const appearanceStatesDict = new Dict();
      const normalAppearanceDict = new Dict();
      const checkedAppearanceDict = new Dict();
      const uncheckedAppearanceDict = new Dict();
      const checkedStream = new StringStream("0.1 0.2 0.3 rg");
      checkedStream.dict = checkedAppearanceDict;
      const uncheckedStream = new StringStream("0.3 0.2 0.1 rg");
      uncheckedStream.dict = uncheckedAppearanceDict;
      checkedAppearanceDict.set("BBox", [0, 0, 8, 8]);
      checkedAppearanceDict.set("FormType", 1);
      checkedAppearanceDict.set("Matrix", [1, 0, 0, 1, 0, 0]);
      normalAppearanceDict.set("Checked", checkedStream);
      normalAppearanceDict.set("Off", uncheckedStream);
      appearanceStatesDict.set("N", normalAppearanceDict);
      buttonWidgetDict.set("AP", appearanceStatesDict);
      const buttonWidgetRef = Ref.get(124, 0);
      const xref = new XRefMock([
        { ref: buttonWidgetRef, data: buttonWidgetDict },
      ]);
      const task = new WorkerTask("test print");
      AnnotationFactory.create(
        xref,