updated for version 7.1-250

src/option.c

@@ -5671,7 +5671,7 @@ did_set_string_option(opt_idx, varp, new_value_alloced, oldval, errbuf,
     {
 	if (gvarp == &p_fenc)
 	{
-	    if (!curbuf->b_p_ma)
+	    if (!curbuf->b_p_ma && opt_flags != OPT_GLOBAL)
 		errmsg = e_modifiable;
 	    else if (vim_strchr(*varp, ',') != NULL)
 		/* No comma allowed in 'fileencoding'; catches confusing it

src/version.c

@@ -666,6 +666,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    250,
 /**/
     249,
 /**/