点击添加自定义范围。
Click Add custom Field button to save this custom information for that post.
点击添加自定义区按钮来将这篇文章的自定义信息保存下来。
To use a custom validator you must add it to the form, passing it field elements on which the validation needs to be applied, as shown in Listing 14.
要使用定制验证器，必须将其添加到表单，并为它传递需要被验证的那些字段元素，如清单 14 所示。
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