updated for version 7.4.306
Problem:    getchar(0) does not return Esc.
Solution:   Do not wait for an Esc sequence to be complete.  (Yasuhiro
            Matsumoto)
diff --git a/src/version.c b/src/version.c
index fcf4127..de58cbd 100644
--- a/src/version.c
+++ b/src/version.c
@@ -735,6 +735,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    306,
+/**/
     305,
 /**/
     304,