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.
const style = toStyle(this, "position");
    const attributes = {
      style,
      id: this[$uid],
      class: ["xfaArea"],
    };
    if (this.name) {
      attributes.xfaName = this.name;
    }
    const children = [];
    this[$extra] = {
      children,
      width: 0,
      height: 0,
      availableSpace,
    };
    if (
      !this[$childrenToHTML]({
        filter: new Set([
          "area",
          "draw",
          "field",
          "exclGroup",
          "subform",
          "subformSet",
        ]),
        include: true,
      })
    ) {