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-rw-r--r--lisp/startup.el25
1 files changed, 16 insertions, 9 deletions
diff --git a/lisp/startup.el b/lisp/startup.el
index ec6d45a294d..5406c0f6513 100644
--- a/lisp/startup.el
+++ b/lisp/startup.el
@@ -1,6 +1,7 @@
;;; startup.el --- process Emacs shell arguments -*- lexical-binding: t -*-
-;; Copyright (C) 1985-1986, 1992, 1994-2012 Free Software Foundation, Inc.
+;; Copyright (C) 1985-1986, 1992, 1994-2013 Free Software Foundation,
+;; Inc.
;; Maintainer: FSF
;; Keywords: internal
@@ -41,9 +42,10 @@
(defcustom initial-buffer-choice nil
"Buffer to show after starting Emacs.
If the value is nil and `inhibit-startup-screen' is nil, show the
-startup screen. If the value is a string, visit the specified file
-or directory using `find-file'. If t, open the `*scratch*'
-buffer.
+startup screen. If the value is a string, switch to a buffer
+visiting the file or directory specified by that string. If the
+value is a function, switch to the buffer returned by that
+function. If t, open the `*scratch*' buffer.
A string value also causes emacsclient to open the specified file
or directory when no target file is specified."
@@ -51,8 +53,9 @@ or directory when no target file is specified."
(const :tag "Startup screen" nil)
(directory :tag "Directory" :value "~/")
(file :tag "File" :value "~/.emacs")
+ (function :tag "Function")
(const :tag "Lisp scratch buffer" t))
- :version "23.1"
+ :version "24.4"
:group 'initialization)
(defcustom inhibit-startup-screen nil
@@ -2323,10 +2326,14 @@ A fancy display is used on graphic displays, normal otherwise."
(set-buffer-modified-p nil))))
(when initial-buffer-choice
- (cond ((eq initial-buffer-choice t)
- (switch-to-buffer (get-buffer-create "*scratch*")))
- ((stringp initial-buffer-choice)
- (find-file initial-buffer-choice))))
+ (let ((buf
+ (cond ((stringp initial-buffer-choice)
+ (find-file-noselect initial-buffer-choice))
+ ((functionp initial-buffer-choice)
+ (funcall initial-buffer-choice)))))
+ (switch-to-buffer
+ (if (buffer-live-p buf) buf (get-buffer-create "*scratch*"))
+ 'norecord)))
(if (or inhibit-startup-screen
initial-buffer-choice