1 files changed, 11 insertions, 0 deletions
diff --git a/src/nvim/mbyte.c b/src/nvim/mbyte.c
index 7b7c822b3b..124855fd08 100644
--- a/src/nvim/mbyte.c
+++ b/src/nvim/mbyte.c
@@ -2830,3 +2830,14 @@ void f_charclass(typval_T *argvars, typval_T *rettv, EvalFuncData fptr)
   }
   rettv->vval.v_number = mb_get_class(argvars[0].vval.v_string);
 }
+
+/// Function given to ExpandGeneric() to obtain the possible arguments of the
+/// encoding options.
+char *get_encoding_name(expand_T *xp FUNC_ATTR_UNUSED, int idx)
+{
+  if (idx >= (int)ARRAY_SIZE(enc_canon_table)) {
+    return NULL;
+  }
+
+  return (char *)enc_canon_table[idx].name;
+}