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[PATCH] Preserve buffer point in windows by default (Bug#4041).

From: Mark Oteiza
Subject: [PATCH] Preserve buffer point in windows by default (Bug#4041).
Date: Thu, 26 May 2016 22:06:29 -0400
User-agent: Mutt/1.6.1+5 (b74dfb9fa901) (2016-04-27)

* doc/lispref/windows.texi: Mention new default.
* etc/NEWS: Mention new default.
* lisp/window.el (switch-to-buffer-preserve-window-point): Default to t.
On 19/05/16 at 02:58pm, Mark Oteiza wrote:
> This is an old bug for changes done in 23 that broke the behaviour of
> keeping window point the same in buffers.
> https://debbugs.gnu.org/cgi/bugreport.cgi?bug=4041
> It had been suggested to be enabled in subsequent releases, but this
> never happened.  AFAICT there has been virtually no mention on this list
> of switch-to-buffer-preserve-window-point, and no bugs regarding it
> since then. It appears to have been mentioned in Bug#16692.
> In both bugs it appears apparent the desire is to make editing the same
> buffer in multiple windows more useful.

 doc/lispref/windows.texi | 5 +++--
 etc/NEWS                 | 3 +++
 lisp/window.el           | 2 +-
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/doc/lispref/windows.texi b/doc/lispref/windows.texi
index 9a09b35..94b4f3a 100644
--- a/doc/lispref/windows.texi
+++ b/doc/lispref/windows.texi
@@ -2171,8 +2171,9 @@ Switching Buffers
 @end defopt
-By default, @code{switch-to-buffer} shows the buffer at its position of
address@hidden  This behavior can be tuned using the following option.
+By default, @code{switch-to-buffer} unconditionally tries to display
+the buffer at its previous position in the selected window.  This
+behavior can be tuned using the following option.
 @defopt switch-to-buffer-preserve-window-point
 If this variable is @code{nil}, @code{switch-to-buffer} displays the
diff --git a/etc/NEWS b/etc/NEWS
index d1eadd5..3d337df 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -680,6 +680,9 @@ name it), with the proviso that on some systems (e.g. 
 have the equivalent of a primary selection.
+** 'switch-to-buffer-preserve-window-point' now defaults to t.
 ** New option 'switch-to-buffer-in-dedicated-window' allows you to
 customize how 'switch-to-buffer' proceeds interactively when the
 selected window is strongly dedicated to its buffer.
diff --git a/lisp/window.el b/lisp/window.el
index bd5275b..f699e21 100644
--- a/lisp/window.el
+++ b/lisp/window.el
@@ -7147,7 +7147,7 @@ window-normalize-buffer-to-switch-to
-(defcustom switch-to-buffer-preserve-window-point nil
+(defcustom switch-to-buffer-preserve-window-point t
   "If non-nil, `switch-to-buffer' tries to preserve `window-point'.
 If this is nil, `switch-to-buffer' displays the buffer at that
 buffer's `point'.  If this is `already-displayed', it tries to

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