Fix bug #17532 with unclear docs of setting frame's font.

 lisp/frame.el (set-frame-font): Doc fix.
 lisp/menu-bar.el (menu-set-font): Doc fix.

 doc/emacs/frames.texi (Fonts): Clarify which frames are affected by
 setting font from the menu and in default-frame-alist.

2 files changed, 14 insertions, 3 deletions

diff --git a/doc/emacs/ChangeLog b/doc/emacs/ChangeLog
index 7858c78847f..c97ef315724 100644
--- a/doc/emacs/ChangeLog
+++ b/doc/emacs/ChangeLog
@@ -1,3 +1,9 @@
+2014-05-21  Eli Zaretskii  <eliz@gnu.org>
+
+	* frames.texi (Fonts): Clarify which frames are affected by
+	setting font from the menu and in default-frame-alist.
+	(Bug#17532)
+
 2014-05-12  Eli Zaretskii  <eliz@gnu.org>
 
 	* mule.texi (Language Environments): Remove unused @anchor.
diff --git a/doc/emacs/frames.texi b/doc/emacs/frames.texi
index 8dd387b5fa0..cd8347369d3 100644
--- a/doc/emacs/frames.texi
+++ b/doc/emacs/frames.texi
@@ -494,13 +494,14 @@ the mouse cursor to the chosen frame.
 @cindex fonts
 
   By default, Emacs displays text on graphical displays using a
-12-point monospace font.  There are several different ways to specify
+10-point monospace font.  There are several different ways to specify
 a different font:
 
 @itemize
 @item
-Click on @samp{Set Default Font} in the @samp{Options} menu.  To save
-this for future sessions, click on @samp{Save Options} in the
+Click on @samp{Set Default Font} in the @samp{Options} menu.  This
+makes the selected font the default on all existing graphical frames.
+To save this for future sessions, click on @samp{Save Options} in the
 @samp{Options} menu.
 
 @item
@@ -513,6 +514,10 @@ Add a line to your init file, modifying the variable
              '(font . "DejaVu Sans Mono-10"))
 @end example
 
+@noindent
+This makes the font the default on all graphical frames created after
+restarting Emacs with that init file.
+
 @cindex X defaults file
 @cindex X resources file
 @item