vim-patch:7.4.306 #842

Problem:    getchar(0) does not return Esc.
Solution:   Do not wait for an Esc sequence to be complete.  (Yasuhiro
            Matsumoto)

https://code.google.com/p/vim/source/detail?r=05e1d8afcc5e375bf708ccc9810e2fd1a5a8a3cf

src/nvim/version.c

@@ -212,7 +212,7 @@ static int included_patches[] = {
   //309,
   //308,
   //307,
-  //306,
+  306,
   //305,
   //304,
   303,