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