commit https://github.com/vim/vim/commit/9baf297c99cc35adb921bee04369499d76438889 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Aug 21 22:39:35 2016 +0200 patch 7.4.2239 Problem: Warning for missing declaration of skip_vimgrep_pat(). (John Marriott) Solution: Move it to another file.

/* 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 : */