patch 8.2.0619: null dict is not handled like an empty dict Commit: https://github.com/vim/vim/commit/ea04a6e8baff2f27da7cdd54bf70a5525994f76d Author: Bram Moolenaar <Bram@vim.org> Date: Thu Apr 23 13:38:02 2020 +0200 patch 8.2.0619: null dict is not handled like an empty dict Problem: Null dict is not handled like an empty dict. Solution: Fix the code and add tests. (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/5968)

/* if_lua.c */
int lua_enabled(int verbose);
void lua_end(void);
void ex_lua(exarg_T *eap);
void ex_luado(exarg_T *eap);
void ex_luafile(exarg_T *eap);
void lua_buffer_free(buf_T *o);
void lua_window_free(win_T *o);
void do_luaeval(char_u *str, typval_T *arg, typval_T *rettv);
int set_ref_in_lua(int copyID);
/* vim: set ft=c : */