diff --git a/src/testdir/test80.in b/src/testdir/test80.in
index b49650040..2decb4dbc 100644
--- a/src/testdir/test80.in
+++ b/src/testdir/test80.in
@@ -143,6 +143,21 @@ ENDTEST
 
 TEST_8:
 
+STARTTEST
+:set magic&
+:set cpo&
+:$put =\"\n\nTEST_8:\"
+:$put =',,X'
+:s/\(^\|,\)\ze\(,\|X\)/\1N/g
+:$put =',,Y'
+:s/\(^\|,\)\ze\(,\|Y\)/\1N/gc
+a:$put =',,Z'
+:s/\(^\|,\)\ze\(,\|Z\)/\1N/gc
+yy/^TEST_9
+ENDTEST
+
+TEST_9:
+
 STARTTEST
 :/^Results/,$wq! test.out
 ENDTEST
diff --git a/src/testdir/test80.ok b/src/testdir/test80.ok
index fd5b5e778..775d98531 100644
--- a/src/testdir/test80.ok
+++ b/src/testdir/test80.ok
@@ -99,3 +99,9 @@ TEST_7:
 A
A
 B
 B
+
+
+TEST_8:
+N,,NX
+N,,NY
+N,,NZ
diff --git a/src/version.c b/src/version.c
index c432491a4..5cd929535 100644
--- a/src/version.c
+++ b/src/version.c
@@ -725,6 +725,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    793,
 /**/
     792,
 /**/