updated for version 7.3.1037
Problem:    Look-behind matching is very slow on long lines.
Solution:   Add a byte limit to how far back an attempt is made.
diff --git a/src/version.c b/src/version.c
index 342465e..1f74168 100644
--- a/src/version.c
+++ b/src/version.c
@@ -729,6 +729,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1037,
+/**/
     1036,
 /**/
     1035,