patch 8.0.0066
Problem:    when calling an operator function when 'linebreak' is set, it is
            internally reset before calling the operator function.
Solution:   Restore 'linebreak' before calling op_function(). (Christian
            Brabandt)
diff --git a/src/version.c b/src/version.c
index 2b5d656..a19ef5b 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    66,
+/**/
     65,
 /**/
     64,