Attach (recommended) or Link to PDF file here:
https://www.canada.ca/content/dam/ircc/migration/ircc/english/pdf/kits/forms/eimm5669e.pdf
[eimm5669e.pdf](https://github.com/mozilla/pdf.js/files/7225677/eimm5669e.2.pdf)

Configuration:
- Web browser and its version: Firefox nightly
- Operating system and its version: Linux Debian

Steps to reproduce the problem:
1. Look at the bottom of page 2

return new Bookend(attrs);
  }
  static boolean(attrs) {
    return new BooleanElement(attrs);
  }
  static border(attrs) {
    return new Border(attrs);
  }
  static break(attrs) {
    return new Break(attrs);
  }
  static breakAfter(attrs) {
    return new BreakAfter(attrs);
  }
  static breakBefore(attrs) {
    return new BreakBefore(attrs);
  }
  static button(attrs) {
    return new Button(attrs);
  }
  static calculate(attrs) {
    return new Calculate(attrs);
  }
  static caption(attrs) {
    return new Caption(attrs);
  }
  static certificate(attrs) {
    return new Certificate(attrs);
  }
  static certificates(attrs) {