patch 7.4.770
Problem:    Background color response with transparency is not ignored.
Solution:   Change the way escape sequences are recognized. (partly by
            Hirohito Higashi)
diff --git a/src/version.c b/src/version.c
index cd26048..3e09845 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    770,
+/**/
     769,
 /**/
     768,