updated for version 7.3.1033
Problem:    "\1" .. "\9" are not supported in the new regexp engine.
Solution:   Implement them.  Add a few more tests.
diff --git a/src/version.c b/src/version.c
index a05b61d..90beb47 100644
--- a/src/version.c
+++ b/src/version.c
@@ -729,6 +729,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1033,
+/**/
     1032,
 /**/
     1031,