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issue13500 (in test corpus)

This regressed when landing #13566. 

What is the expected behavior? (add screenshot)
<img width="664" alt="image" src="https://user-images.githubusercontent.com/942640/122467522-7bc8aa80-cf6f-11eb-9d4d-311eb7c64fb2.png">


What went wrong? (add screenshot)
![image](https://user-images.githubusercontent.com/942640/122467565-85eaa900-cf6f-11eb-9c10-8a8686ed440c.png)


return new PageSet(attrs);
  }
  static para(attrs) {
    return new Para(attrs);
  }
  static passwordEdit(attrs) {
    return new PasswordEdit(attrs);
  }
  static pattern(attrs) {
    return new Pattern(attrs);
  }
  static picture(attrs) {
    return new Picture(attrs);
  }
  static proto(attrs) {
    return new Proto(attrs);
  }
  static radial(attrs) {
    return new Radial(attrs);
  }
  static reason(attrs) {
    return new Reason(attrs);
  }
  static reasons(attrs) {
    return new Reasons(attrs);
  }
  static rectangle(attrs) {
    return new Rectangle(attrs);
  }
  static ref(attrs) {