vim-patch:7.4.312

Problem:    Cannot figure out what argument list is being used for a window.
Solution:   Add the arglistid() function. (Marcin Szamotulski)

https://code.google.com/p/vim/source/detail?r=v7-4-312

src/nvim/version.c

@@ -283,7 +283,7 @@ static int included_patches[] = {
   315,
   314,
   //313,
-  //312,
+  312,
   //311,
   //310,
   309,