patch 8.1.1844: buffer no longer unloaded when adding text properties commit https://github.com/vim/vim/commit/45311b5274a6ac6e44235dfd4588c6b1bf0d4850 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 13 22:27:32 2019 +0200 patch 8.1.1844: buffer no longer unloaded when adding text properties Problem: Buffer no longer unloaded when adding text properties to it. Solution: Do not create the memfile. (closes https://github.com/vim/vim/issues/4808)

/* 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 : */