每个xml概要文件的开始部分是一个OPTPROFILE标记，其中包含元数据，比如表示所用COPS的版本的属性。
Each XML profile begins with an OPTPROFILE tag that contains metadata, such as an attribute indicating the version of the COPS being used.
您可以在测试文件上进行实践，去掉开始和结束标记，熟悉因此显示的错误消息。
You might wish to experiment with your test files, and move the end tags and beginning tags, to become familiar with the resulting error messages.
构造型和标记在XMI文件的一开始定义然后被引用，因此声明两个变量用于保存它们的ID非常方便。
The stereotypes and tags are defined in the beginning of the XMI file and later used by reference, so it is convenient to declare two variables to store their IDs.
typo_html.py文件与SimpleParse那篇文章中的一样 —它只是包含一个将名称映射到开始标记／结束标记对的字典。
The file typo_html.py is the same file from the SimpleParse installment -- it just contains a dictionary mapping names to begintag/endtag pairs.
——写入node属性描述的一个节点的内容（XML文件中开始和结束标记之间的文本）。
writes the content (the text between the start and end tag in an XML file) for the one node described by its node attribute.
凡是在一对开始和结束标记之外的内容都会被PHP 解析器忽略，这使得 PHP 文件可以具备混合内容。
There are four different pairs of opening and closing tags which can be used in PHP.
凡是在一对开始和结束标记之外的内容都会被PHP 解析器忽略，这使得 PHP 文件可以具备混合内容。
There are four different pairs of opening and closing tags which can be used in PHP.
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