===================================================================
RCS file: /cvs/mandoc/dbm_map.c,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -p -r1.3 -r1.4
--- mandoc/dbm_map.c	2016/08/05 23:15:08	1.3
+++ mandoc/dbm_map.c	2016/08/22 16:07:16	1.4
@@ -1,4 +1,4 @@
-/*	$Id: dbm_map.c,v 1.3 2016/08/05 23:15:08 schwarze Exp $ */
+/*	$Id: dbm_map.c,v 1.4 2016/08/22 16:07:16 schwarze Exp $ */
 /*
  * Copyright (c) 2016 Ingo Schwarze <schwarze@openbsd.org>
  *
@@ -80,8 +80,14 @@ dbm_map(const char *fname)
 		goto fail;
 	magic = dbm_getint(0);
 	if (be32toh(*magic) != MANDOCDB_MAGIC) {
-		warnx("dbm_map(%s): Bad initial magic %x (expected %x)",
-		    fname, be32toh(*magic), MANDOCDB_MAGIC);
+		if (strncmp(dbm_base, "SQLite format 3", 15))
+			warnx("dbm_map(%s): "
+			    "Bad initial magic %x (expected %x)",
+			    fname, be32toh(*magic), MANDOCDB_MAGIC);
+		else
+			warnx("dbm_map(%s): "
+			    "Obsolete format based on SQLite 3",
+			    fname);
 		errno = EFTYPE;
 		goto fail;
 	}