patch 7.4.830
Problem:    Resetting 'encoding' when doing ":set all&" causes problems.
            (Bjorn Linse) Display is not updated.
Solution:   Do not reset 'encoding'. Do a full redraw.
diff --git a/src/version.c b/src/version.c
index 5bd31fa..619aa58 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    830,
+/**/
     829,
 /**/
     828,