Attach (recommended) or Link to PDF file here:
PDF from #4106, https://mail.gnome.org/archives/evince-list/2013-November/pdfNC0hkVW67a.pdf.

Steps to reproduce the problem:
1. Open the PDF

What is the expected behavior?
![immagine](https://user-images.githubusercontent.com/1616846/121865567-67ca4200-ccfe-11eb-8673-1d6e863fc8d5.png)

What went wrong?
The PDF doesn't load, `TypeError: can't access property Symbol(), match is null` error is logged in the console.
defaultValue: 0,
      validate: x => x === 1,
    });
    this.rowColumnRatio = getRatio(attributes.rowColumnRatio);
    this.startChar = attributes.startChar || "";
    this.textLocation = getStringOption(attributes.textLocation, [
      "below",
      "above",
      "aboveEmbedded",
      "belowEmbedded",
      "none",
    ]);
    this.truncate = getInteger({
      data: attributes.truncate,
      defaultValue: 0,
      validate: x => x === 1,
    });
    this.type = getStringOption(
      attributes.type ? attributes.type.toLowerCase() : "",
      [
        "aztec",
        "codabar",
        "code2of5industrial",
        "code2of5interleaved",
        "code2of5matrix",
        "code2of5standard",
        "code3of9",
        "code3of9extended",
        "code11",
        "code49",