Other operations available in JCR include updating, merging, and restoring previous versions. To browse the entire version history for a given node, walk through the steps in Listing 15.

JCR中的其他操作包括：更新、合并和恢复以前版本。

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The control maintains a history list that allows the user to browse forward and backward through previously browsed sites, folders, and documents.

该控件维护历史记录列表，允许用户在以前浏览过的站点、文件夹和文档中向前和向后浏览。

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