anchor.diff:      this.fontFamily,
       this.fontSize,
       this.fontWeight,
  +    this.fontStyle,
       this.textAlign,
       this.textBaseline,
       this.height,
  
positive.code:       fontFamily == other.fontFamily &&
        fontSize == other.fontSize &&
        fontWeight == other.fontWeight &&
        textAlign == other.textAlign &&
        textBaseline == other.textBaseline &&
        decoration == other.decoration &&
  
negative.code:       fontFamily: other.fontFamily,
        fontSize: other.fontSize,
        fontWeight: other.fontWeight,
        fontStyle: other.fontStyle,
        textAlign: other.textAlign,
        textBaseline: other.textBaseline,
        height: other.height,
  