updated for version 7.3.1093
Problem:    New regexp engine: When a sub expression is empty \1 skips a
            character.
Solution:   Make \1 try the current position when the match is emtpy.
diff --git a/src/version.c b/src/version.c
index 0e2c728..51daabb 100644
--- a/src/version.c
+++ b/src/version.c
@@ -729,6 +729,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1093,
+/**/
     1092,
 /**/
     1091,