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)


if (this.lineThrough === 2) {
        style.textDecorationStyle = "double";
      }
    }
    
    if (this.overline !== 0) {
      style.textDecoration = "overline";
      if (this.overline === 2) {
        style.textDecorationStyle = "double";
      }
    }
    
    style.fontStyle = this.posture;
    const fontSize = measureToString(0.99 * this.size);
    if (fontSize !== "10px") {
      style.fontSize = fontSize;
    }
    setFontFamily(this, this[$globalData].fontFinder, style);
    if (this.underline !== 0) {
      style.textDecoration = "underline";
      if (this.underline === 2) {
        style.textDecorationStyle = "double";
      }
    }
    
    style.fontWeight = this.weight;
    return style;
  }
}
class Format extends XFAObject {