elisp: Frame Parameters
28.4 Frame Parameters
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A frame has many parameters that control its appearance and behavior.
Just what parameters a frame has depends on what display mechanism it
uses.
Frame parameters exist mostly for the sake of graphical displays.
Most frame parameters have no effect when applied to a frame on a text
terminal; only the ‘height’, ‘width’, ‘name’, ‘title’, ‘menu-bar-lines’,
‘buffer-list’ and ‘buffer-predicate’ parameters do something special.
If the terminal supports colors, the parameters ‘foreground-color’,
‘background-color’, ‘background-mode’ and ‘display-type’ are also
meaningful. If the terminal supports frame transparency, the parameter
‘alpha’ is also meaningful.
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