commit https://github.com/vim/vim/commit/b2658a1ab02cd0ba848164f70c7c464fdc398162 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Apr 26 17:16:24 2016 +0200 patch 7.4.1787 Problem: When a job ends the close callback is invoked before other callbacks. On Windows the close callback is not called. Solution: First invoke out/err callbacks before the close callback. Make the close callback work on Windows.

/* 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);