patch 8.1.1922: in diff mode global operations can be very slow Commit: https://github.com/vim/vim/commit/4f57eefe1e84b5a90e08474092ea6fc8825ad5c9 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Aug 24 20:54:19 2019 +0200 patch 8.1.1922: in diff mode global operations can be very slow Problem: In diff mode global operations can be very slow. Solution: Do not call diff_redraw() many times, call it once when redrawing. And also don't update folds multiple times.

/* 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 : */