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recenter-top-bottom synced from GNU and new default for C-l Partial implementation of recenter-top-bottom. GNU has support for scroll-margin that is not in XEmacs so that is left out. lisp/ChangeLog: 2012-09-18 Mats Lidell <matsl@xemacs.org> * window-xemacs.el (recenter-positions): New defcustom. (recenter-top-bottom): New command. (recenter-last-op): New defvar. * replace.el (perform-replace): Let-bind recenter-last-op to nil. For def=recenter, replace `recenter' with `recenter-top-bottom' that is called with `this-command' and `last-command' let-bound to `recenter-top-bottom'. When the last `def' was not `recenter', set `recenter-last-op' to nil. * keydefs.el (global-map): Make recenter-top-bottom new default for C-l. etc/ChangeLog: 2012-09-18 Mats Lidell <matsl@xemacs.org> * TUTORIAL: Updated due to recenter-top-bottom man/ChangeLog: 2012-09-18 Mats Lidell <matsl@xemacs.org> * lispref/windows.texi (Vertical Scrolling): Added recenter-top-bottom and recenter-positions * xemacs/display.texi (Display): Rearranged and added documentation due to new function recenter-top-bottom.
author Mats Lidell <mats.lidell@cag.se>
date Tue, 18 Sep 2012 08:58:28 +0200
parents a46c5c8d6564
children 9fae6227ede5
line wrap: on
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--- a/man/lispref/windows.texi	Sun Sep 16 21:43:21 2012 +0100
+++ b/man/lispref/windows.texi	Tue Sep 18 08:58:28 2012 +0200
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the XEmacs Lisp Reference Manual.
-@c Copyright (C) 1990, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
+@c Copyright (C) 1990, 1991, 1992, 1993, 1994, 2012 Free Software Foundation, Inc.
 @c See the file lispref.texi for copying conditions.
 @setfilename ../../info/windows.info
 @node Windows, Frames, Buffers, Top
@@ -1477,6 +1477,22 @@
 @end example
 @end deffn
 
+@deffn Command recenter-top-bottom &optional count
+This command, which is the default binding for @kbd{C-l}, acts like
+@code{recenter}, except if called with no argument.  In that case,
+successive calls place point according to the cycling order defined
+by the variable @code{recenter-positions}.
+@end deffn
+
+@defopt recenter-positions
+This variable controls how @code{recenter-top-bottom} behaves when
+called with no argument.  The default value is @code{(middle top
+bottom)}, which means that successive calls of
+@code{recenter-top-bottom} with no argument cycle between placing
+point at the middle, top, and bottom of the window.
+@end defopt
+
+
 @node Horizontal Scrolling
 @section Horizontal Scrolling
 @cindex horizontal scrolling