Fix bug #7702 with docs of selections wrt MS-Windows.

 doc/emacs/frames.texi (Cut and Paste): Modify the section's name and text:
 don't mix "cut/paste" with "kill/yank".
 (Cut/Paste Other App): Describe the per-session emulation of PRIMARY.
 lisp/simple.el (select-active-regions): Doc fix.

doc/emacs/ChangeLog

 2010-12-25  Eli Zaretskii  <eliz@gnu.org>
 
+	* frames.texi (Cut and Paste): Modify the section's name and text:
+	don't mix "cut/paste" with "kill/yank".
+	(Cut/Paste Other App): Describe the per-session emulation of PRIMARY.
+	(Bug#7702)
+
 	* trouble.texi (Checklist): Mention debug-on-quit.  (Bug#7667)
 
 2010-12-18  Glenn Morris  <rgm@gnu.org>

doc/emacs/frames.texi

@@ -58,10 +58,10 @@ so that you can use many of the features described in this chapter.
 @end menu
 
 @node Cut and Paste
-@section Killing and Yanking on Graphical Displays
+@section Cutting and Pasting on Graphical Displays
 
-  This section describes commands for selecting a region, killing, and
-yanking using the mouse.
+  This section describes commands for selecting a region, cutting, and
+pasting using the mouse.
 
 @menu
 * Mouse Commands::      Moving, cutting, and pasting, with the mouse.
@@ -248,6 +248,13 @@ has no ``memory'': each time you save something in the primary
 selection, either in Emacs or in another X application, the previous
 contents of the primary selection are lost.
 
+@cindex MS-Windows, and primary selection
+  MS-Windows provides no primary selection, but Emacs emulates it
+within a single Emacs session: all the features and commands related
+to the primary selection work as described for cutting and pasting
+within the same session, but not across Emacs sessions or with other
+applications.
+
   Whenever you kill some text using a command such as @kbd{C-w}
 (@code{kill-region}), or copy it into the kill ring using a command
 such as @kbd{M-w} (@code{kill-ring-save}), that text is also saved in

lisp/ChangeLog

+2010-12-25  Eli Zaretskii  <eliz@gnu.org>
+
+	* simple.el (select-active-regions): Doc fix.  (Bug#7702)
+
 2010-12-24  Kenichi Handa  <handa@m17n.org>
 
 	* mail/rmailmm.el (rmail-mime-parse): Perform parsing in

lisp/simple.el

@@ -3528,7 +3528,7 @@ a mistake; see the documentation of `set-mark'."
     (signal 'mark-inactive nil)))
 
 (defcustom select-active-regions nil
-  "If non-nil, an active region automatically becomes the window selection."
+  "If non-nil, an active region automatically sets the primary selection."
   :type 'boolean
   :group 'killing
   :version "23.1")