commit https://github.com/vim/vim/commit/f3654827368e6204608036353a0360e9e7c21e02 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Mar 4 22:12:23 2016 +0100 patch 7.4.1486 Problem: ":loadplugin" is not optimal, some people find it confusing. Solution: Only use ":packadd" with an optional "!".

/* 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);
/* vim: set ft=c : */