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I recently upgraded Xcode to version 4.4.1, and now, CSS files don't take on the default syntax coloring associated with CSS files. A dash appears next to the "None" option under Editor | Syntax coloring. I have to manually check off the CSS option under Syntax coloring to associate colored syntax with CSS.

A last note: I don't use Xcode as an IDE, I use it as a text editor. All other languages I work in take on syntax coloring without a problem; this issue applies only to CSS.

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我以同样的方式使用 Xcode，并将它安装在两个系统上：Lion 和 Mountain Lion。该程序的版本同样是（4.6）。所以我找到了解决方案，尤其是这个：

首先，确保 Xcode 已关闭，然后通过在终端中输入来调高索引器警告消息级别： defaults write com.apple.dt.Xcode IDEIndexingClangInvocationLogLevel 3

有趣的是，这些解决方案完全解决了我在 Mountain Lion 中的问题，但对 Lion 没有帮助。

于 2013-02-28T17:04:42.897 回答