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.
.forEach(lines => {
            html.children.push({
              name: "p",
              children: lines,
            });
          });
      } else if (/[\u2028\n]/.test(this[$content])) {
        html.name = "div";
        html.children = [];
        
        
        this[$content].split(/[\u2028\n]/).forEach(line => {
          html.children.push(
            {
              name: "span",
              value: line,
            },
            {
              name: "br",
            }
          );
        });
      }
      return HTMLResult.success(html);
    }
    return this[$content][$toHTML](availableSpace);
  }
}
class TextEdit extends XFAObject {
  constructor(attributes) {