commit https://github.com/vim/vim/commit/ec70bdd68a531762a62728747ab529d7a6dfc842 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Feb 18 22:17:42 2016 +0100 patch 7.4.1350 Problem: When the test server fails to start Vim hangs. Solution: Check that there is actually something to read from the tty fd.

/* 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 : */