1*4882a593SmuzhiyunCopyright (C) 1997-2010 Free Software Foundation, Inc. 2*4882a593SmuzhiyunThis file is free software; the Free Software Foundation 3*4882a593Smuzhiyungives unlimited permission to copy and/or distribute it, 4*4882a593Smuzhiyunwith or without modifications, as long as this notice is preserved. 5