vim-patch:7.4.493

Problem:    A TextChanged autocommand is triggered when saving a file.
	    (William Gardner)
Solution:   Update last_changedtick after calling unchanged(). (Christian
	    Brabandt)

https://code.google.com/p/vim/source/detail?r=v7-4-493

src/nvim/fileio.c

@@ -3583,6 +3583,12 @@ restore_backup:
       && (overwriting || vim_strchr(p_cpo, CPO_PLUS) != NULL)
       ) {
     unchanged(buf, TRUE);
+    /* buf->b_changedtick is always incremented in unchanged() but that
+     * should not trigger a TextChanged event. */
+    if (last_changedtick + 1 == buf->b_changedtick
+        && last_changedtick_buf == buf) {
+      last_changedtick = buf->b_changedtick;
+    }
     u_unchanged(buf);
     u_update_save_nr(buf);
   }

src/nvim/version.c

@@ -245,7 +245,7 @@ static int included_patches[] = {
   //496 NA
   //495 NA
   494,
-  //493,
+  493,
   //492,
   //491,
   //490,