Conditional Tag support 有条件的标记支持
To get more sophisticated, you can add a conditional tag query that asks "If this is a single post view, show the post title;"
得到更加详细具体的，你可以添加一个条件式标签查询，会问道，“如果这是一个单一的文章浏览，显示文章标题；
Conditional processing: With DITA, you can tag parts of a topic by product, audience, or other characteristics.
条件处理：通过DITA，您可以根据产品、对象或者其他特性标记主题的一部分。
You can see from Listing 8 that you just need an tag to make conditional decisions before processing each production item according to its type.
从清单8可以看到，在根据生产产品的类型处理每个产品前，您仅需要一个标记来作出条件决策。
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