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当我创建一个 RSS 提要时,我的<item>s 有时没有非必填字段的值,例如<title>. 我应该跳过这样一个空元素还是总是渲染它,即使它没有价值,以便每个<item>条目都是一致的?我找不到任何关于此的文档。
<item>
<title>