patch 8.2.0834: :drop command in terminal popup causes problems Commit: https://github.com/vim/vim/commit/3f65c66df95445ef84f98de007c9b70ce23f54a0 Author: Bram Moolenaar <Bram@vim.org> Date: Wed May 27 23:15:16 2020 +0200 patch 8.2.0834: :drop command in terminal popup causes problems Problem: :drop command in terminal popup causes problems. Solution: Check for using a popup window. (closes https://github.com/vim/vim/issues/6151)

/* 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);