patch 8.2.4487: Vim9: cannot compare with v:null Commit: https://github.com/vim/vim/commit/7a2222487507eb13cccdb9a66397092775d62b8c Author: Bram Moolenaar <Bram@vim.org> Date: Tue Mar 1 19:23:24 2022 +0000 patch 8.2.4487: Vim9: cannot compare with v:null Problem: Vim9: cannot compare with v:null. Solution: Allow comparing anything with v:null. (closes https://github.com/vim/vim/issues/9866)

/* if_ruby.c */
int ruby_enabled(int verbose);
void ruby_end(void);
void ex_ruby(exarg_T *eap);
void ex_rubydo(exarg_T *eap);
void ex_rubyfile(exarg_T *eap);
void ruby_buffer_free(buf_T *buf);
void ruby_window_free(win_T *win);
void vim_ruby_init(void *stack_start);
void do_rubyeval(char_u *str, typval_T *rettv);
/* vim: set ft=c : */