updated for version 7.3.1006
Problem:    NFA engine not used for "\_[0-9]".
Solution:   Enable this, fixed in patch 1005.
diff --git a/src/version.c b/src/version.c
index b7c1ddf..b8835be 100644
--- a/src/version.c
+++ b/src/version.c
@@ -729,6 +729,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1006,
+/**/
     1005,
 /**/
     1004,