允许复制标签。

Tag duplication is allowed.

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大多数编辑器认为一个标签是一个字符，但是复制标签缩进需要五个字符，五个空格。

TAB is considered one character in most editors, but the five Spaces that copy the TAB indent takes up five characters.

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例如，用户可能想要复制图像的标题，但他们不太想复制标签项或屏幕标题的文本标签，例如帐户。

For example, a user might want to copy the caption of an image, but they're not likely to want to copy the label of a TAB item or a screen title, such as Accounts.

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