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.
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  return parent;
}
function* getContainedChildren(node) {
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      continue;
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    yield child;
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}
function valueToHtml(value) {
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    attributes: {
      class: ["xfaRich"],
      style: Object.create(null),
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    value,
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}
function getTransformedBBox(node) {