patch 7.4.2090
Problem:    Using submatch() in a lambda passed to substitute() is verbose.
Solution:   Use a static list and pass it as an optional argument to the
            function.  Fix memory leak.
diff --git a/src/version.c b/src/version.c
index dccf2ce..e42229e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -759,6 +759,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2090,
+/**/
     2089,
 /**/
     2088,