updated for version 7.4.241

Problem:    The string returned by submatch() does not distinguish between a
            NL from a line break and a NL that stands for a NUL character.
Solution:   Add a second argument to return a list. (ZyX)

src/testdir/test80.in

@@ -117,6 +117,7 @@ STARTTEST
 :let y = substitute('jJj', 'J', '\=substitute(submatch(0), ".", "\\n", "")', '')      | $put =y
 :let y = substitute('kKk', 'K', '\=substitute(submatch(0), ".", "\r", "")', '')       | $put =y
 :let y = substitute('lLl', 'L', '\=substitute(submatch(0), ".", "\n", "")', '')       | $put =y
+/^TEST_5
 ENDTEST
 
 TEST_5:
@@ -142,6 +143,7 @@ STARTTEST
 :$put =substitute('C', 'C', 'c', '')
 :$put =substitute('D', 'D', '%', '')
 /^TEST_7
+ENDTEST
 
 TEST_7:
 

src/testdir/test80.ok

@@ -90,6 +90,7 @@ l
 a\a
 b\b
 c
+c
 d
 d
 e\
@@ -103,6 +104,8 @@ TEST_7:
 l
 l
 
+
+TEST_5:
 A123456789987654321
 [['A123456789'], ['9'], ['8'], ['7'], ['6'], ['5'], ['4'], ['3'], ['2'], ['1']]