patch 8.2.2193: Vim9: can change constant in :def function Commit: https://github.com/vim/vim/commit/3bdc90b7dfab314768a8f56454ea62929524f05c Author: Bram Moolenaar <Bram@vim.org> Date: Tue Dec 22 20:35:40 2020 +0100 patch 8.2.2193: Vim9: can change constant in :def function Problem: Vim9: can change constant in :def function. Solution: Check if a variable is locked. (issue https://github.com/vim/vim/issues/7526)

/* if_python3.c */
int python3_enabled(int verbose);
void python3_end(void);
int python3_loaded(void);
void ex_py3(exarg_T *eap);
void ex_py3file(exarg_T *eap);
void ex_py3do(exarg_T *eap);
void python3_buffer_free(buf_T *buf);
void python3_window_free(win_T *win);
void python3_tabpage_free(tabpage_T *tab);
void do_py3eval(char_u *str, typval_T *rettv);
int set_ref_in_python3(int copyID);
/* vim: set ft=c : */