updated for version 7.3.566
Problem:    Redo after completion does not work correctly when refresh: always
            is not used. (Raymond Ko)
Solution:   Check the compl_opt_refresh_always flag. (Christian Brabandt)
diff --git a/src/version.c b/src/version.c
index 62c7233..229bde5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -715,6 +715,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    566,
+/**/
     565,
 /**/
     564,