Better Source在新标签页中打开源代码，并加入行号和代码高亮等。

Better source opens up the source code in a new TAB, USES line Numbers and color syntax highlighting.

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比如，如果用户上次打开过一个街道地址，那么火狐可能会在新标签页中自动打开一张显示该地址的地图。

For example, if you've highlighted a street address on one tab, Firefox might open a map of that address automatically in a new tab.

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新的附加组件管理器，将会在标签页中打开，而不是像之前那样新开一个窗口。

The new add-ons manager, which loads in a tab of its own instead of a separate window.

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