patch 8.2.0512: Vim9: no optional arguments in func type Commit: https://github.com/vim/vim/commit/5deeb3f1f9db4eabd36e99cbf857fe376eb37e10 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Apr 5 17:08:17 2020 +0200 patch 8.2.0512: Vim9: no optional arguments in func type Problem: Vim9: no optional arguments in func type. Solution: Check for question mark after type. Find function reference without function().

/* spellfile.c */
slang_T *spell_load_file(char_u *fname, char_u *lang, slang_T *old_lp, int silent);
void suggest_load_files(void);
int spell_check_msm(void);
void ex_mkspell(exarg_T *eap);
void mkspell(int fcount, char_u **fnames, int ascii, int over_write, int added_word);
void ex_spell(exarg_T *eap);
void spell_add_word(char_u *word, int len, int what, int idx, int undo);
/* vim: set ft=c : */