diff --git a/src/testdir/test53.in b/src/testdir/test53.in
index af617c0..c1d5061 100644
--- a/src/testdir/test53.in
+++ b/src/testdir/test53.in
@@ -42,6 +42,9 @@
 gnd$h/\zs
 gnd/[u]niquepattern/s
 vlgnd
+/mother
+:set selection=exclusive
+$cgNmongoose
 :/^start:/,/^end:/wq! test.out
 ENDTEST
 
@@ -69,4 +72,5 @@
 zero width pattern
 delete first and last chars
 uniquepattern uniquepattern
+my very excellent mother just served us nachos
 end:
diff --git a/src/testdir/test53.ok b/src/testdir/test53.ok
index 0a2a6f4..179b1b2 100644
--- a/src/testdir/test53.ok
+++ b/src/testdir/test53.ok
@@ -25,4 +25,5 @@
 zerowidth pattern
 elete first and last char
  uniquepattern
+my very excellent mongoose just served us nachos
 end:
diff --git a/src/version.c b/src/version.c
index 63a5136..296d3de 100644
--- a/src/version.c
+++ b/src/version.c
@@ -720,6 +720,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    685,
+/**/
     684,
 /**/
     683,