1.修改颜色、字体(分别为 General和C/C++ )
4.显示不可见字符
Window -> Preferences -> General -> Appearance -> Colors and Fonts
2.识别关键字(如C/C++关键字、Makefile关键字等)
Window -> Preferences -> General -> Content Types
3.制表符转空格
Window -> Preferences -> C/C++ -> Code Style -> Formatter -> Edit -> General settings
4.显示不可见字符
Window -> Preferences -> General -> Editors -> Text Editors -> Show whitespace characters
Windows -> Preference -> General -> Workspace -> New text file line delimiter