patch 8.2.1977: Vim9: error for using a string in a condition is confusing Commit: https://github.com/vim/vim/commit/ea2d407f9c144bb634c59017944e4930ed7f80a2 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Nov 12 12:08:51 2020 +0100 patch 8.2.1977: Vim9: error for using a string in a condition is confusing Problem: Vim9: error for using a string in a condition is confusing. Solution: Give a more specific error. Also adjust the compile time type checking for || and &&.

/* 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 : */