vim-patch:7.4.680

Problem:    CTRL-W in Insert mode does not work well for multi-byte
            characters.
Solution:   Use mb_get_class(). (Yasuhiro Matsumoto)

310f2d59b2

src/nvim/version.c

@@ -444,7 +444,7 @@ static int included_patches[] = {
   // 683 NA
   682,
   // 681 NA
-  // 680,
+  680,
   // 679 NA
   // 678 NA
   // 677 NA