===================================================================
RCS file: /cvs/mandoc/mansearch.c,v
retrieving revision 1.66
retrieving revision 1.69
diff -u -p -r1.66 -r1.69
--- mandoc/mansearch.c	2016/07/19 21:31:55	1.66
+++ mandoc/mansearch.c	2017/03/03 13:11:21	1.69
@@ -1,7 +1,7 @@
-/*	$OpenBSD: mansearch.c,v 1.66 2016/07/19 21:31:55 schwarze Exp $ */
+/*	$OpenBSD: mansearch.c,v 1.69 2017/03/03 13:11:21 schwarze Exp $ */
 /*
  * Copyright (c) 2012 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2013, 2014, 2015 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2013, 2014, 2015, 2016 Ingo Schwarze <schwarze@openbsd.org>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -15,12 +15,15 @@
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
+#include "config.h"
 
 #include <sys/mman.h>
 #include <sys/types.h>
 
 #include <assert.h>
+#if HAVE_ERR
 #include <err.h>
+#endif
 #include <errno.h>
 #include <fcntl.h>
 #include <glob.h>
@@ -657,6 +660,7 @@ exprterm(const struct mansearch *search, int argc, cha
 	 * If needed, request regular expression handling.
 	 */
 
+	cs = 1;
 	if (search->argmode == ARG_WORD) {
 		e->bits = TYPE_Nm;
 		e->match.type = DBM_REGEX;