patch 8.1.1512: ch_evalexpr() hangs when used recursively commit https://github.com/vim/vim/commit/38ea784fecf7921dca83ddc75fe9cb40708521b2 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jun 9 19:51:58 2019 +0200 patch 8.1.1512: ch_evalexpr() hangs when used recursively Problem: ch_evalexpr() hangs when used recursively. (Paul Jolly) Solution: Change ch_block_id from a single number to a list of IDs to wait on.

/* 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 : */