--- parser3/src/lib/ltdl/slist.c	2012/06/09 13:07:11	1.1
+++ parser3/src/lib/ltdl/slist.c	2026/09/27 13:14:21	1.2
@@ -1,6 +1,7 @@
 /* slist.c -- generalised singly linked lists
 
-   Copyright (C) 2000, 2004, 2007, 2008, 2009 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2004, 2007-2009, 2011-2019, 2021-2024 Free
+   Software Foundation, Inc.
    Written by Gary V. Vaughan, 2000
 
    NOTE: The canonical source of this file is maintained with the
@@ -22,16 +23,12 @@ MERCHANTABILITY or FITNESS FOR A PARTICU
 GNU Lesser General Public License for more details.
 
 You should have received a copy of the GNU Lesser General Public
-License along with GNU Libltdl; see the file COPYING.LIB.  If not, a
-copy can be downloaded from  http://www.gnu.org/licenses/lgpl.html,
-or obtained by writing to the Free Software Foundation, Inc.,
-51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+License along with GNU Libltdl.  If not, see <https://www.gnu.org/licenses/>.
 */
 
 #include <assert.h>
 
 #include "slist.h"
-#include <stddef.h>
 #include <stdlib.h>
 
 static SList *	slist_sort_merge    (SList *left, SList *right,
@@ -230,7 +227,7 @@ slist_reverse (SList *slist)
       next		= slist->next;
       slist->next	= result;
       result		= slist;
-      slist 		= next;
+      slist		= next;
     }
 
   return result;
@@ -345,7 +342,7 @@ slist_sort (SList *slist, SListCompare *
    used for the boxes.  It us usually a very bad idea to mix boxed and
    non-boxed items in a single list.  */
 
-/* Return a `boxed' freshly mallocated 1 element list containing
+/* Return a 'boxed' freshly mallocated 1 element list containing
    USERDATA.  */
 SList *
 slist_box (const void *userdata)
@@ -361,7 +358,7 @@ slist_box (const void *userdata)
   return item;
 }
 
-/* Return the contents of a `boxed' ITEM, recycling the box itself.  */
+/* Return the contents of a 'boxed' ITEM, recycling the box itself.  */
 void *
 slist_unbox (SList *item)
 {