patch 8.2.3911: Vim9: type check for filter() does not accept unknown Commit: https://github.com/vim/vim/commit/ef8f04b1d1daf2e0be8fa38dedcae84ebfc5ffb4 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Dec 27 12:29:19 2021 +0000 patch 8.2.3911: Vim9: type check for filter() does not accept unknown Problem: Vim9: type check for filter() does not accept unknown. Solution: Also accept unknown for the return type. (closes https://github.com/vim/vim/issues/9413)

/* if_cscope.c */
char_u *get_cscope_name(expand_T *xp, int idx);
void set_context_in_cscope_cmd(expand_T *xp, char_u *arg, cmdidx_T cmdidx);
void ex_cscope(exarg_T *eap);
void ex_scscope(exarg_T *eap);
void ex_cstag(exarg_T *eap);
int cs_fgets(char_u *buf, int size);
void cs_free_tags(void);
void cs_print_tags(void);
void cs_end(void);
void f_cscope_connection(typval_T *argvars, typval_T *rettv);
/* vim: set ft=c : */