If the conversion does not work (say the value contained f2.0), then the conversion fails and you just skip this property, but the document creation still works.
如果转换没有效果(比如这个值包含f2.0),那么转换将失败并跳过这个属性,但文档仍将创建。
2
The property is set to "Skip Navigation Links" by default, which makes screen readers skip the control.