Attach (recommended) or Link to PDF file here:
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)


constructor(attributes) {
    super(TEMPLATE_NS_ID, "speak");
    this.disable = getInteger({
      data: attributes.disable,
      defaultValue: 0,
      validate: x => x === 1,
    });
    this.id = attributes.id || "";
    this.priority = getStringOption(attributes.priority, [
      "custom",
      "caption",
      "name",
      "toolTip",
    ]);
    this.rid = attributes.rid || "";
    this.use = attributes.use || "";
    this.usehref = attributes.usehref || "";
  }
}
class Stipple extends XFAObject {