commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jul 22 21:50:18 2016 +0200 patch 7.4.2090 Problem: Using submatch() in a lambda passed to substitute() is verbose. Solution: Use a static list and pass it as an optional argument to the function. Fix memory leak.

/* 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);