--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/line-number.h	Mon Aug 13 10:05:51 2007 +0200
@@ -0,0 +1,28 @@
+/* Copyright (C) 1997, Free Software Foundation, Inc.
+
+This file is part of XEmacs.
+
+XEmacs 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.
+
+XEmacs is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with XEmacs; see the file COPYING.  If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* Synched up with: Not in FSF. */
+
+void mark_line_number_cache (void *, void (*)(Lisp_Object));
+void narrow_line_number_cache (struct buffer *);
+void insert_invalidate_line_number_cache (struct buffer *, Bufpos,
+					  CONST Bufbyte *, Bytecount);
+void delete_invalidate_line_number_cache (struct buffer *, Bufpos, Bufpos);
+
+EMACS_INT buffer_line_number (struct buffer *, Bufpos, int);