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)


const style = toStyle(this, "hAlign");
    if (this.marginLeft !== "") {
      style.marginLeft = measureToString(this.marginLeft);
    }
    if (this.marginRight !== "") {
      style.marginRight = measureToString(this.marginRight);
    }
    if (this.spaceAbove !== "") {
      style.marginTop = measureToString(this.spaceAbove);
    }
    if (this.spaceBelow !== "") {
      style.marginBottom = measureToString(this.spaceBelow);
    }
    if (this.textIndent !== "") {
      style.textIndent = measureToString(this.textIndent);
      fixTextIndent(style);
    }
    if (this.lineHeight > 0) {
      style.lineHeight = measureToString(this.lineHeight);
    }