patch 8.2.0670: cannot change window when evaluating 'completefunc' Commit: https://github.com/vim/vim/commit/6adb9ea0a6ca01414f4b591f379b0f829a8273c0 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Apr 30 22:31:18 2020 +0200 patch 8.2.0670: cannot change window when evaluating 'completefunc' Problem: Cannot change window when evaluating 'completefunc'. Solution: Make a difference between not changing text or buffers and also not changing window.

/* 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);