【Revoking deprecations】
有时，API 的弃用可能会被撤销。在这种情况下，本文件将会更新与该决策相关的信息。然而，弃用标识符将不会被修改。
【Occasionally, the deprecation of an API might be reversed. In such situations,
this document will be updated with information relevant to the decision.
However, the deprecation identifier will not be modified.】