rem: print_a_FF = TRUE;
add: print_a_FF = true;
context: read_rest_of_line (COLUMN *p){  register int c;  FILE *f = p->fp;  while ((c = getc (f)) != '\n')    {      if (c == '\f')	{	  if ((c = getc (f)) != '\n')	    ungetc (c, f);	  if (keep_FF)	    print_a_FF = TRUE;	  hold_file (p);	  break;	}      else if (c == EOF)	{	  close_file (p);	  break;	}    }}