在 XML 中，最常用的做法是名称全部小写并加连字符，比如 first-name。

The most common approach to XML is to use all lowercase names with dashes, like first-name.

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您可以使用菜单命令或键盘快捷键将选定文本的大小写转换为全部大写或全部小写。

You can use menu commands or keyboard shortcuts to convert the case of selected text to all upper case or to all lower case.

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注意：要确定您可以找到指定术语的所有匹配项，并且由于这些术语对于底层字典是未知的，需要全部使用小写字母写入术语。

Note: To make sure, that you can find all occurrences of the specified terms, and because these terms are not known by the underlying dictionary, write the terms in all lower-case letters.

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