runtime(doc): Clarify list-concatenation a bit more Commit: https://github.com/vim/vim/commit/c9c2e2d2ff4429a6b5876ee919f15c1dc0018e86 Author: qeatzy <qeatzy@users.noreply.github.com> Date: Wed Feb 7 17:52:25 2024 +0100 runtime(doc): Clarify list-concatenation a bit more Make doc list-concatenation more clear as for += and extend(). 1. describe `+=` for list-concatenation more accurately 2. add `extend()` example for list-concatenation 3. Fix CI errors for missing helptags reference |+=| closes: #13983 Signed-off-by: qeatzy <qeatzy@users.noreply.github.com> Signed-off-by: Christian Brabandt <cb@256bit.org>

/* if_mzsch.c */
int mzscheme_enabled(int verbose);
void mzvim_check_threads(void);
char *did_set_mzquantum(optset_T *args);
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 : */