updated for version 7.4.323
Problem:    Substitute() with zero width pattern breaks multi-byte character.
Solution:   Take multi-byte character size into account. (Yukihiro Nakadaira)
diff --git a/src/version.c b/src/version.c
index 5556ed7..93046dd 100644
--- a/src/version.c
+++ b/src/version.c
@@ -735,6 +735,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    323,
+/**/
     322,
 /**/
     321,