commit https://github.com/vim/vim/commit/975b5271eed4fa0500c24a8f37be0b1797cb9db7 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Mar 15 23:10:59 2016 +0100 patch 7.4.1578 Problem: There is no way to invoke a function later or periodically. Solution: Add timer support.

/* auto/if_perl.c */
int perl_enabled(int verbose);
void perl_end(void);
void msg_split(char_u *s, int attr);
void perl_win_free(win_T *wp);
void perl_buf_free(buf_T *bp);
void ex_perl(exarg_T *eap);
void do_perleval(char_u *str, typval_T *rettv);
void ex_perldo(exarg_T *eap);