emacs/lib-src/digest-doc.c

/* Give this program DOC-mm.nn.oo as standard input and it outputs to
   standard output a file of nroff output containing the doc strings.

   Copyright (C) 1987, 1994, 2001  Free Software Foundation Inc.

   This file is part of GNU Emacs.

   GNU Emacs 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.

   GNU Emacs 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 GNU Emacs; see the file COPYING.  If not, write to the
   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.

   See also sorted-doc.c, which produces similar output
   but in texinfo format and sorted by function/variable name.  */

#include <stdio.h>

int
main ()
{
  register int ch;
  register int notfirst = 0;

  printf (".TL\n");
  printf ("Command Summary for GNU Emacs\n");
  printf (".AU\nRichard M. Stallman\n");
  while ((ch = getchar ()) != EOF)
    {
      if (ch == '\037')
	{
	  if (notfirst)
	    printf ("\n.DE");
	  else
	    notfirst = 1;

	  printf ("\n.SH\n");

	  ch = getchar ();
	  printf (ch == 'F' ? "Function " : "Variable ");

	  while ((ch = getchar ()) != '\n')  /* Changed this line */
	    {
	      if (ch != EOF)
		  putchar (ch);
	      else
		{
		  ungetc (ch, stdin);
		  break;
		}
	    }
	  printf ("\n.DS L\n");
	}
      else
	putchar (ch);
    }
  return 0;
}