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What is a face?

Face
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What is a face?

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Profile photo of LindseyMyer LindseyMyer

It is a mechanism used by Emacs when running under the X Window System that attaches attributes like colours or fonts to the displayed strings. Mule 2.x uses this mechanism even for displaying the mode line in reverse video. hilit19.el and font-lock.el are examples of programs that use face well.

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A face in math usually is used in geometry. A face is basically the surface of a three dimensional figure in which the figure could sit flat.

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