X-Git-Url: http://git.hcoop.net/bpt/emacs.git/blobdiff_plain/91a47a6836113dffd044e15cd82ce8d1c30f307d..e8ccb8690456cba24bb354b968921516bd55375e:/src/frame.h

diff --git a/src/frame.h b/src/frame.h
index fa22b2c875..9193da3edf 100644
--- a/src/frame.h
+++ b/src/frame.h
@@ -1,6 +1,6 @@
 /* Define frame-object for GNU Emacs.
    Copyright (C) 1993, 1994, 1999, 2000, 2001, 2002, 2003, 2004,
-                 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+                 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
@@ -482,7 +482,8 @@ struct frame
 
   /* frame opacity
      alpha[0]: alpha transparency of the active frame
-     alpha[1]: alpha transparency of inactive frames   */
+     alpha[1]: alpha transparency of inactive frames
+     Negative values mean not to change alpha.  */
   double alpha[2];
 
   /* Exponent for gamma correction of colors.  1/(VIEWING_GAMMA *
@@ -1114,6 +1115,7 @@ extern Lisp_Object display_x_get_resource (Display_Info *,
 					   Lisp_Object component,
 					   Lisp_Object subclass);
 
+extern Lisp_Object delete_frame P_ ((Lisp_Object, Lisp_Object));
 
 #endif /* HAVE_WINDOW_SYSTEM */