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.
return new Traversal(attrs);
  }
  static traverse(attrs) {
    return new Traverse(attrs);
  }
  static ui(attrs) {
    return new Ui(attrs);
  }
  static validate(attrs) {
    return new Validate(attrs);
  }
  static value(attrs) {
    return new Value(attrs);
  }
  static variables(attrs) {
    return new Variables(attrs);
  }
}
export {
  BindItems,
  Field,
  Items,
  SetProperty,
  Template,
  TemplateNamespace,
  Text,
  Value,
};