patch 8.1.1575: callbacks may be garbage collected commit https://github.com/vim/vim/commit/75a1a9415b9c207de5a29b25c0d1949c6c9c5c61 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jun 20 03:45:36 2019 +0200 patch 8.1.1575: callbacks may be garbage collected Problem: Callbacks may be garbage collected. Solution: Set reference in callbacks. (Ozaki Kiichi, closes https://github.com/vim/vim/issues/4564)

/* 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 : */