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Annotation of GNUtools/emacs/src/lastfile.c, revision 1.1.1.1

1.1       root        1: /* Mark end of data space to dump as pure, for GNU Emacs.
                      2:    Copyright (C) 1985 Free Software Foundation, Inc.
                      3: 
                      4: This file is part of GNU Emacs.
                      5: 
                      6: GNU Emacs is free software; you can redistribute it and/or modify
                      7: it under the terms of the GNU General Public License as published by
                      8: the Free Software Foundation; either version 1, or (at your option)
                      9: any later version.
                     10: 
                     11: GNU Emacs is distributed in the hope that it will be useful,
                     12: but WITHOUT ANY WARRANTY; without even the implied warranty of
                     13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     14: GNU General Public License for more details.
                     15: 
                     16: You should have received a copy of the GNU General Public License
                     17: along with GNU Emacs; see the file COPYING.  If not, write to
                     18: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
                     19: 
                     20: 
                     21: /* How this works:
                     22: 
                     23:  Fdump_emacs dumps everything up to my_edata as text space (pure).
                     24: 
                     25:  The files of Emacs are written so as to have no initialized
                     26:  data that can ever need to be altered except at the first startup.
                     27:  This is so that those words can be dumped as sharable text.
                     28: 
                     29:  It is not possible to exercise such control over library files.
                     30:  So it is necessary to refrain from making their data areas shared.
                     31:  Therefore, this file is loaded following all the files of Emacs
                     32:  but before library files.
                     33:  As a result, the symbol my_edata indicates the point
                     34:  in data space between data coming from Emacs and data
                     35:  coming from libraries.
                     36: */
                     37: 
                     38: #ifdef VMS
                     39: /* Prevent the file from being totally empty.  */
                     40: static dummy () {}
                     41: #endif
                     42: 
                     43: char my_edata = 0;

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