vim-patch:7.4.542

Problem:    Using a range for window and buffer commands has a few
            problems.
            Cannot specify the type of range for a user command.
Solution:   Add the -addr argument for user commands.  Fix problems.
            (Marcin Szamotulski

https://code.google.com/p/vim/source/detail?name=v7-4-542

src/nvim/ex_cmds_defs.h

@@ -76,7 +76,7 @@
 #define ADDR_WINDOWS            1
 #define ADDR_ARGUMENTS          2
 #define ADDR_LOADED_BUFFERS     3
-#define ADDR_UNLOADED_BUFFERS   4
+#define ADDR_BUFFERS            4
 #define ADDR_TABS               5
 
 typedef struct exarg exarg_T;