vim-patch:7.4.830

Problem:    Resetting 'encoding' when doing ":set all&" causes problems.
            (Bjorn Linse) Display is not updated.
Solution:   Do not reset 'encoding'. Do a full redraw.

b341dda575

---

":set all&" does not reset 'encoding' in neovim.

src/nvim/option.c

@@ -1150,9 +1150,10 @@ do_set (
        */
       arg += 3;
       if (*arg == '&') {
-        ++arg;
-        /* Only for :set command set global value of local options. */
+        arg++;
+        // Only for :set command set global value of local options.
         set_options_default(OPT_FREE | opt_flags);
+        redraw_all_later(CLEAR);
       } else {
         showoptions(1, opt_flags);
         did_show = TRUE;

src/nvim/version.c

@@ -458,7 +458,7 @@ static int included_patches[] = {
   // 833,
   // 832,
   // 831,
-  // 830,
+  830,
   // 829 NA
   828,
   // 827,