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Faces

A face is a named collection of graphical attributes: font, foreground color, background color, and optional underlining. Faces control the display of text on the screen.

Each face has its own face number, which distinguishes faces at low levels within Emacs. However, for most purposes, you can refer to faces in Lisp programs by their names.

Function: facep object
This function returns t if object is a face name symbol (or if it is a vector of the kind used internally to record face data). It returns nil otherwise.

Each face name is meaningful for all frames, and by default it has the same meaning in all frames. But you can arrange to give a particular face name a special meaning in one frame if you wish.


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