patch 8.2.0189: cd() with NULL argument crashes Commit: https://github.com/vim/vim/commit/7cc96923c44bbcc541cbd211b6308d87a965f0c3 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jan 31 22:41:38 2020 +0100 patch 8.2.0189: cd() with NULL argument crashes Problem: cd() with NULL argument crashes. Solution: Check for NULL. (Ken Takata, closes https://github.com/vim/vim/issues/5558)

/* vim9script.c */
int in_vim9script(void);
void ex_vim9script(exarg_T *eap);
void ex_export(exarg_T *eap);
void free_imports(int sid);
void ex_import(exarg_T *eap);
char_u *handle_import(char_u *arg_start, garray_T *gap, int sid);
/* vim: set ft=c : */