patch 8.0.0957: a terminal job can deadlock when sending many keys commit https://github.com/vim/vim/commit/97bd5e6527bf2b48acdd1550acba161e82a5bc99 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Aug 18 20:50:30 2017 +0200 patch 8.0.0957: a terminal job can deadlock when sending many keys Problem: When term_sendkeys() sends many keys it may get stuck in writing to the job. Solution: Make the write non-blocking, buffer keys to be sent.

/* 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);