基于嵌套层次的缩进标记。
可以使用制表符来标记缩进，但是一般推荐使用空格。
You can use tab characters to mark the indentation, but it's generally recommended that you use spaces.
RubyMine拥有自动代码格式化功能，如括号匹配、代码折叠、自定义格式、缩进和TODO标记。
RubyMine performs automatic Ruby code styling, with brace matching and folding, custom formatting, indentation and TODO marks.
要将这段摘录格式化为两边缩进的段，可使用以下XSL - fo标记。
To format this excerpt as a paragraph indented on both sides, use this XSL-FO markup.
接下来，语法分析器看到product元素的开始标记(为简单起见，在本文其余部分，我将忽略名称空格和缩进空格)并生成它的第三个事件。
Next, the parser sees the opening tag for the product element (for simplicity, I'll ignore the namespaces and indenting whitespaces in the rest of this discussion) and it generates its third event.
接下来，语法分析器看到product元素的开始标记(为简单起见，在本文其余部分，我将忽略名称空格和缩进空格)并生成它的第三个事件。
Next, the parser sees the opening tag for the product element (for simplicity, I'll ignore the namespaces and indenting whitespaces in the rest of this discussion) and it generates its third event.
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