xml declaration

• The xml declaration in the document map consists of the following
  文档映射中的xml声明包含下列内容：
• Tip : always use an xml declaration
  技巧：坚持使用xml声明
• Writes an xml declaration along with the current document encoding value
  写入xml声明以及当前文档编码值。
• Paste the following code into the editor below the xml declaration
  将以下代码粘贴到xml声明下的编辑器中：
• You could make that even more obvious if you included an xml declaration
  如果包含xml声明这一点会更明显。
• An xml declaration can also contain a standalone declaration , for example ,
  Xml声明还可以包含独立声明，例如
• In the xml editor , after the xml declaration , add the following xml
  在xml编辑器，在xml声明后面添加以下xml ：
• White space and the xml declaration
  空白和xml声明
• An example is the xml declaration that begins every valid xml file
  每个有效xml文件开头的xml声明就是一个示例：
• The xml declaration typically appears as the first line in an xml document
  Xml声明通常在xml文档的第一行出现。