commit https://github.com/vim/vim/commit/1610d052413e0ed664498853a47acc2d677a22d1 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jun 9 22:53:01 2016 +0200 patch 7.4.1913 Problem: When ":doautocmd" is used modelines are used even when no autocommands were executed. (Daniel Hahler) Solution: Skip processing modelines. (closes https://github.com/vim/vim/issues/854)

/* 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);