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Improve docstring of 'frame-scale-factor'

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* src/frame.c (Fframe_scale_factor): Explain what happens when the
FRAME argument is nil.
This commit is contained in:
Robert Pluim 2021-04-13 18:07:26 +02:00
parent f955df1788
commit ef6df9ec8f
1 changed files with 1 additions and 0 deletions
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src/frame.c
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@ -3747,6 +3747,7 @@ window state change flag is reset. */)
DEFUN ("frame-scale-factor", Fframe_scale_factor, Sframe_scale_factor,
0, 1, 0,
doc: /* Return FRAMEs scale factor.
If FRAME is omitted or nil, the selected frame is used.
The scale factor is the amount by which a logical pixel size must be
multiplied to find the real number of pixels. */)
(Lisp_Object frame)