(flymake-process-filter): Make sure the source buffer isn't dead.

[bpt/emacs.git] / lisp / compare-w.el

diff --git a/lisp/compare-w.el b/lisp/compare-w.el
index 4aeb20b..d45a9ac 100644 (file)
--- a/lisp/compare-w.el
+++ b/lisp/compare-w.el
@@ -1,17 +1,17 @@
 ;;; compare-w.el --- compare text between windows for Emacs
 
 ;; Copyright (C) 1986, 1989, 1993, 1997, 2001, 2002, 2003, 2004,
-;;   2005, 2006 Free Software Foundation, Inc.
+;;   2005, 2006, 2007, 2008 Free Software Foundation, Inc.
 
 ;; Maintainer: FSF
 ;; Keywords: convenience files
 
 ;; This file is part of GNU Emacs.
 
-;; GNU Emacs is free software; you can redistribute it and/or modify
+;; GNU Emacs is free software: you can redistribute it and/or modify
 ;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version.
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
 
 ;; GNU Emacs is distributed in the hope that it will be useful,
 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -19,9 +19,7 @@
 ;; GNU General Public License for more details.
 
 ;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs; see the file COPYING.  If not, write to the
-;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-;; Boston, MA 02110-1301, USA.
+;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
 
 ;;; Commentary:
 
@@ -32,7 +30,7 @@
 
 ;;; Code:
 
-(defgroup compare-w nil
+(defgroup compare-windows nil
   "Compare text between windows."
   :prefix "compare-"
   :group 'tools)
@@ -52,18 +50,18 @@ any text before that point.
 If the function returns the same value for both windows, then the
 whitespace is considered to match, and is skipped."
   :type '(choice regexp function)
-  :group 'compare-w)
+  :group 'compare-windows)
 
 (defcustom compare-ignore-whitespace nil
   "*Non-nil means `compare-windows' ignores whitespace."
   :type 'boolean
-  :group 'compare-w
+  :group 'compare-windows
   :version "22.1")
 
 (defcustom compare-ignore-case nil
   "*Non-nil means `compare-windows' ignores case differences."
   :type 'boolean
-  :group 'compare-w)
+  :group 'compare-windows)
 
 (defcustom compare-windows-sync 'compare-windows-sync-default-function
   "*Function or regexp that is used to synchronize points in two
@@ -87,10 +85,11 @@ regexp containing some field separator or a newline, depending on
 the nature of the difference units separator.  The variable can
 be made buffer-local.
 
-If the value of this variable is `nil', then function `ding' is
-called to beep or flash the screen when points are mismatched."
-  :type '(choice regexp function)
-  :group 'compare-w
+If the value of this variable is `nil' (option \"No sync\"), then
+no synchronization is performed, and the function `ding' is called
+to beep or flash the screen when points are mismatched."
+  :type '(choice function regexp (const :tag "No sync" nil))
+  :group 'compare-windows
   :version "22.1")
 
 (defcustom compare-windows-sync-string-size 32
@@ -102,7 +101,7 @@ difference regions more coarse-grained.
 
 The default value 32 is good for the most cases."
   :type 'integer
-  :group 'compare-w
+  :group 'compare-windows
   :version "22.1")
 
 (defcustom compare-windows-recenter nil
@@ -113,7 +112,7 @@ matching points side-by-side.
 The value `(-1 0)' is useful if windows are split vertically,
 and the value `((4) (4))' for horizontally split windows."
   :type '(list sexp sexp)
-  :group 'compare-w
+  :group 'compare-windows
   :version "22.1")
 
 (defcustom compare-windows-highlight t
@@ -125,13 +124,13 @@ out all highlighting later with the command `compare-windows-dehighlight'."
   :type '(choice (const :tag "No highlighting" nil)
                 (const :tag "Persistent highlighting" persistent)
                 (other :tag "Highlight until next command" t))
-  :group 'compare-w
+  :group 'compare-windows
   :version "22.1")
 
 (defface compare-windows
   '((t :inherit lazy-highlight))
   "Face for highlighting of compare-windows difference regions."
-  :group 'compare-w
+  :group 'compare-windows
   :version "22.1")
 
 (defvar compare-windows-overlay1 nil)
@@ -390,5 +389,5 @@ on third call it again advances points to the next difference and so on."
 
 (provide 'compare-w)
 
-;;; arch-tag: 4177aab1-48e6-4a98-b7a1-000ee285de46
+;; arch-tag: 4177aab1-48e6-4a98-b7a1-000ee285de46
 ;;; compare-w.el ends here