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.
classNames.push("xfaFont");
    }
    const attributes = {
      style,
      id: this[$uid],
      class: classNames,
    };
    if (this.name) {
      attributes.xfaName = this.name;
    }
    const html = {
      name: "div",
      attributes,
      children: [],
    };
    const bbox = computeBbox(this, html, availableSpace);
    const value = this.value ? this.value[$toHTML](availableSpace).html : null;
    if (value === null) {
      return HTMLResult.success(createWrapper(this, html), bbox);
    }
    html.children.push(value);
    if (value.attributes.class && value.attributes.class.includes("xfaRich")) {
      if (this.h === "") {
        style.height = "auto";
      }
      if (this.w === "") {
        style.width = "auto";
      }
      if (this.para) {