doc/emacs trivia

* doc/emacs/frames.texi (Scroll Bars):
* doc/emacs/glossary.texi (Glossary):
Use consistent case for "X Window System".

doc/emacs/ChangeLog

 2012-04-14  Glenn Morris  <rgm@gnu.org>
 
+	* frames.texi (Scroll Bars):
+	* glossary.texi (Glossary): Use consistent case for "X Window System".
+
 	* mule.texi (Select Input Method, Coding Systems):
 	State command names in kbd tables.
 	(Recognize Coding): Add cross-ref.

doc/emacs/frames.texi

@@ -908,7 +908,7 @@ scroll bars on the right side of windows), @code{left} (put them on
 the left), or @code{nil} (disable scroll bars).  By default, Emacs
 puts scroll bars on the right if it was compiled with GTK+ support on
 the X Window System, and on MS-Windows or Mac OS; Emacs puts scroll
-bars on the left if compiled on the X Window system without GTK+
+bars on the left if compiled on the X Window System without GTK+
 support (following the old convention for X applications).
 
 @vindex scroll-bar-width

doc/emacs/glossary.texi

@@ -193,7 +193,7 @@ press a mouse button and release it without moving the mouse.
 
 @item Clipboard
 A clipboard is a buffer provided by the window system for transferring
-text between applications.  On the X Window system, the clipboard is
+text between applications.  On the X Window System, the clipboard is
 provided in addition to the primary selection (q.v.@:); on MS-Windows and Mac,
 the clipboard is used @emph{instead} of the primary selection.
 @xref{Clipboard}.