patch 8.0.1005: terminal without job updates slowly in GUI commit https://github.com/vim/vim/commit/4ab7968aa9d8a624cd56f55b5cad2bedb240eb73 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Aug 27 14:50:47 2017 +0200 patch 8.0.1005: terminal without job updates slowly in GUI Problem: Terminal without job updates slowly in GUI. Solution: Poll for input when a channel has the keep_open flag.

/* 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);