trybs_ref_txt_pre2 在线代码实例

 <div class="container">
      <h2>排版</h2>
		 <p>设置 pre 元素可滚动：</p>

		<pre class="pre-scrollable">		内容可滚动
		Text in a pre element
		is displayed in a fixed-width
		font, and it preserves
		both      spaces and
		line breaks.
		Text in a pre element
		is displayed in a fixed-width
		font, and it preserves
		both      spaces and
		line breaks.
		</pre>
    </div>

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