From: Robert Pluim <rpluim@gmail.com>
Date: Tue, 13 Apr 2021 16:07:26 +0000 (+0200)
Subject: Improve docstring of 'frame-scale-factor'
X-Git-Tag: emacs-28.0.90~2842
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=ef6df9ec8f7f4a5d7ab15f21e870ba21f99872d5;p=emacs.git

Improve docstring of 'frame-scale-factor'

* src/frame.c (Fframe_scale_factor): Explain what happens when the
FRAME argument is nil.
---

diff --git a/src/frame.c b/src/frame.c
index bbdc3b55992..028a45afeb7 100644
--- a/src/frame.c
+++ b/src/frame.c
@@ -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)