patch 8.1.1174: cannot build with Ruby 1.8 commit https://github.com/vim/vim/commit/8dc4c7292364d31cfb8afa8a67984b78b657b192 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Apr 14 19:42:13 2019 +0200 patch 8.1.1174: cannot build with Ruby 1.8 Problem: Cannot build with Ruby 1.8. (Tom G. Christensen) Solution: Include ruby/st.h. (Ozaki Kiichi, closes https://github.com/vim/vim/issues/4257)

/* digraph.c */
int do_digraph(int c);
char_u *get_digraph_for_char(int val_arg);
int get_digraph(int cmdline);
int getdigraph(int char1, int char2, int meta_char);
void putdigraph(char_u *str);
void listdigraphs(int use_headers);
char *keymap_init(void);
void ex_loadkeymap(exarg_T *eap);
void keymap_clear(garray_T *kmap);
/* vim: set ft=c : */