(Top): Add "Swapping Text" to @detailmenu.

doc/lispref/ChangeLog

+2008-10-21  Eli Zaretskii  <eliz@gnu.org>
+
+	* elisp.texi (Top): Add "Swapping Text" to @detailmenu.
+
+	* positions.texi (Narrowing): Add an xref to "Swapping Text".
+
+	* buffers.texi (Swapping Text): New section, documents
+	`buffer-swap-text'.
+
 2008-10-21  Martin Rudalics  <rudalics@gmx.at>
 
 	* windows.texi (Resizing Windows): Minor wording fix.

doc/lispref/elisp.texi

@@ -900,6 +900,7 @@ Buffers
 * Killing Buffers::         Buffers exist until explicitly killed.
 * Indirect Buffers::        An indirect buffer shares text with some
                               other buffer.
+* Swapping Text::           Swapping text between two buffers.
 * Buffer Gap::              The gap in the buffer.
 
 Windows

etc/NEWS

@@ -1588,6 +1588,7 @@ string of days, hours, etc.
 *** `read-shell-command' does what its name says, with completion.  It
 uses the minibuffer-local-shell-command-map for that.
 
++++
 *** `buffer-swap-text' swaps text between two buffers.  This can be
 useful for modes such as tar-mode, archive-mode, RMAIL.