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daiv 应该是系统的默认字体, 因为sublime的默认配置文件中 关于字体的配置默认是缺省的
// Note that the font_face and font_size are overriden in the platform
// specific settings file, for example, "Preferences (Linux).sublime-settings".
// Because of this, setting them here will have no effect: you must set them
// in your User File Preferences.
"font_face": "",
"font_size": 10,
// Valid options are "no_bold", "no_italic", "no_antialias", "gray_antialias",
// "subpixel_antialias", "no_round" (OS X only) and "directwrite" (Windows only)
"font_options": [],
上面的内容是默认的配置文件中的内容。