commit https://github.com/vim/vim/commit/b681be175b6991cdc2b8ddd49b0e97e3fe2b201e Author: Bram Moolenaar <Bram@vim.org> Date: Thu Mar 31 23:02:16 2016 +0200 patch 7.4.1691 Problem: When switching to a new buffer and an autocommand applies syntax highlighting an ml_get error may occur. Solution: Check "syn_buf" against the buffer in the window. (Alexander von Buddenbrock, closes #676)

/* hangulin.c */
int hangul_input_state_get(void);
void hangul_input_state_set(int state);
int im_get_status(void);
void hangul_input_state_toggle(void);
void hangul_keyboard_set(void);
int hangul_input_process(char_u *s, int len);
void hangul_input_clear(void);
char_u *hangul_string_convert(char_u *buf, int *p_len);
char_u *hangul_composing_buffer_get(int *p_len);
/* vim: set ft=c : */