* emacs-lisp/trace.el (trace-function, trace-function-background): Doc fix.

[gnu-emacs] / lisp / button.el

diff --git a/lisp/button.el b/lisp/button.el
index 5a399348bef15ab8c0ef60d1e7e530ce8eab324e..0676ba869577fc72218e2aa69e4214310a89f4c0 100644 (file)
--- a/lisp/button.el
+++ b/lisp/button.el
@@ -1,10 +1,10 @@
 ;;; button.el --- clickable buttons
 ;;
-;; Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
-;;   2010, 2011, 2012  Free Software Foundation, Inc.
+;; Copyright (C) 2001-2013 Free Software Foundation, Inc.
 ;;
 ;; Author: Miles Bader <miles@gnu.org>
 ;; Keywords: extensions
+;; Package: emacs
 ;;
 ;; This file is part of GNU Emacs.
 ;;
@@ -42,7 +42,7 @@
 ;; button face may not be visible.  Using overlays avoids this.
 ;;
 ;; Using `define-button-type' to define default properties for buttons
-;; is not necessary, but it is is encouraged, since doing so makes the
+;; is not necessary, but it is encouraged, since doing so makes the
 ;; resulting code clearer and more efficient.
 ;;
 
@@ -54,10 +54,7 @@
 ;; Use color for the MS-DOS port because it doesn't support underline.
 ;; FIXME if MS-DOS correctly answers the (supports) question, it need
 ;; no longer be a special case.
-(defface button '((((type pc) (class color))
-                  (:foreground "lightblue"))
-                 (((supports :underline t)) :underline t)
-                 (t (:foreground "lightblue")))
+(defface button '((t :inherit link))
   "Default face used for buttons."
   :group 'basic-faces)
 
@@ -352,7 +349,9 @@ Also see `make-text-button'."
 ;; Finding buttons in a buffer
 
 (defun button-at (pos)
-  "Return the button at position POS in the current buffer, or nil."
+  "Return the button at position POS in the current buffer, or nil.
+If the button at POS is a text property button, the return value
+is a marker pointing to POS."
   (let ((button (get-char-property pos 'button)))
     (if (or (overlayp button) (null button))
        button