这种规则往往出现在流程模型中的分析时，并且需要规范化，以驱动软编码的过程流(例如BPEL)或应用程序逻辑。
Rules of this nature tend to arise at analysis time within process models and require formalization to drive soft coded process flow (for example, BPEL) or application logic.
可以指定文件的字符编码，或者让处理程序根据XSLT规范指示的线索去猜测。
You can specify the character encoding of the file, or leave it to the processor to guess, using a list of clues as dictated by the XSLT spec.
提供这些示例代码是为了演示概念，不应将这些代码用在应用程序或网站中，因其可能并不符合最安全的编码规范。
This sample code is provided to illustrate a concept and should not be used in applications or Web sites, as it may not illustrate the safest coding practices.
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