updated for version 7.3.793

Problem:    New interactive :substutite behavior is not tested.
Solution:   Add tests. (Christian Brabandt)

src/testdir/test80.in

@@ -143,6 +143,21 @@ ENDTEST
 TEST_7:
 
 STARTTEST
+:set magic&
+:set cpo&
+:$put =\"\n\nTEST_7:\"
+:$put =substitute('A
+A', 'A.', '\=submatch(0)', '')
+:$put =substitute(\"B\nB\", 'B.', '\=submatch(0)', '')
+/^TEST_8
+ENDTEST
+
+TEST_8:
+
+STARTTEST
+:set magic&
+:set cpo&
+:$put =\"\n\nTEST_8:\"
 :$put =',,X'
 :s/\(^\|,\)\ze\(,\|X\)/\1N/g
 :$put =',,Y'

src/testdir/test80.ok

@@ -99,3 +99,9 @@ TEST_7:
 k
 l
 l
+
+
+TEST_5:
+A123456789987654321
+
+