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.
]);
    this.overline = getInteger({
      data: attributes.overline,
      defaultValue: 0,
      validate: x => x === 1 || x === 2,
    });
    this.overlinePeriod = getStringOption(attributes.overlinePeriod, [
      "all",
      "word",
    ]);
    this.posture = getStringOption(attributes.posture, ["normal", "italic"]);
    this.size = getMeasurement(attributes.size, "10pt");
    this.typeface = attributes.typeface || "";
    this.underline = getInteger({
      data: attributes.underline,
      defaultValue: 0,
      validate: x => x === 1 || x === 2,
    });
    this.underlinePeriod = getStringOption(attributes.underlinePeriod, [
      "all",
      "word",
    ]);
    this.use = attributes.use || "";
    this.usehref = attributes.usehref || "";
    this.weight = getStringOption(attributes.weight, ["normal", "bold"]);
    this.extras = null;
    this.fill = null;
  }
  [$toStyle]() {
    const style = toStyle(this, "fill");