patch 8.2.1687: Vim9: out of bounds error Commit: https://github.com/vim/vim/commit/9b123d859053ad1fb91d38334726b9f24da39930 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Sep 14 22:39:11 2020 +0200 patch 8.2.1687: Vim9: out of bounds error Problem: Vim9: out of bounds error. Solution: Check that cmdidx is not negative.

/* locale.c */
char_u *get_mess_lang(void);
void set_lang_var(void);
void init_locale(void);
void ex_language(exarg_T *eap);
void free_locales(void);
char_u *get_lang_arg(expand_T *xp, int idx);
char_u *get_locales(expand_T *xp, int idx);
/* vim: set ft=c : */