commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jul 19 19:10:51 2016 +0200 patch 7.4.2072 Problem: substitute() does not support a Funcref argument. Solution: Support a Funcref like it supports a string starting with "\=".

/* farsi.c */
int fkmap(int c);
char_u *lrswap(char_u *ibuf);
char_u *lrFswap(char_u *cmdbuf, int len);
char_u *lrF_sub(char_u *ibuf);
int cmdl_fkmap(int c);
int F_isalpha(int c);
int F_isdigit(int c);
int F_ischar(int c);
void farsi_f8(cmdarg_T *cap);
void farsi_f9(cmdarg_T *cap);
/* vim: set ft=c : */