文本缩进控制。当你引用一条其他消息时，你可以自行控制它需要缩进的水平尺度。
Indentation control, which allows you to control the level of indentation of your quotes from other messages.
将文字写在链接中，再用CSS文本缩进将其移出屏幕范围，这样你就无需吧文字叠在图片上而同样具有可用性。
By putting text inside of the link and moving it off the screen with text-indent in CSS, you get the benefit of usability without having the text overlay on top of the image.
XML编辑器利用元素、属性或纯文本的彩色高亮显示以及内容缩进，可以帮助您清楚地解释XML文档。
XML editors can help you clearly interpret your XML document with color highlights for elements, attributes, or plain text and indented content.
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