patch 8.2.0774: t_TI and t_TE are output when using 'visualbell' Commit: https://github.com/vim/vim/commit/26e86445bf06ab7e7587dfdf75f33f7c70632b46 Author: Bram Moolenaar <Bram@vim.org> Date: Sun May 17 14:06:16 2020 +0200 patch 8.2.0774: t_TI and t_TE are output when using 'visualbell' Problem: t_TI and t_TE are output when using 'visualbell'. (Dominique Pelle) Solution: Do not change the terminal mode for a short sleep. Do not output t_TI and t_TE when switching to/from TMODE_SLEEP. Make tmode an enum.

/* if_mzsch.c */
int mzscheme_enabled(int verbose);
void mzvim_check_threads(void);
void mzvim_reset_timer(void);
void mzscheme_end(void);
int mzscheme_main(void);
void mzscheme_buffer_free(buf_T *buf);
void mzscheme_window_free(win_T *win);
void ex_mzscheme(exarg_T *eap);
void ex_mzfile(exarg_T *eap);
void do_mzeval(char_u *str, typval_T *rettv);
void raise_vim_exn(const char *add_info);
void raise_if_error(void);
buf_T *get_valid_buffer(void *obj);
win_T *get_valid_window(void *obj);
int mzthreads_allowed(void);
/* vim: set ft=c : */