Fix bug #13935 with inaccurate description of 'fullscreen'.

 doc/lispref/frames.texi (Size Parameters): More accurate description of the
 difference between 'fullboth' and 'maximized'.

doc/lispref/ChangeLog

+2013-03-23  Eli Zaretskii  <eliz@gnu.org>
+
+	* frames.texi (Size Parameters): More accurate description of the
+	difference between 'fullboth' and 'maximized'.  (Bug#13935)
+
 2013-03-17  Christopher Schmidt  <christopher@ch.ristopher.com>
 
 	* symbols.texi (Standard Properties): Document pure.  (Bug#13823)

doc/lispref/frames.texi

@@ -632,8 +632,9 @@ possible.  The value @code{fullboth} specifies that both the width and
 the height shall be set to the size of the screen.  The value
 @code{maximized} specifies that the frame shall be maximized.  The
 difference between @code{maximized} and @code{fullboth} is that the
-former still has window manager decorations while the latter really
-covers the whole screen.
+former can still be resized by dragging window manager decorations
+with the mouse, while the latter really covers the whole screen and
+does not allow resizing by mouse dragging.
 @end table
 
 @node Layout Parameters