patch 8.2.4682: Vim9: can use :unlockvar for const variable Commit: https://github.com/vim/vim/commit/7a411a306f90339d8686e42ac16e1ae4fc7533c5 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Apr 4 14:58:06 2022 +0100 patch 8.2.4682: Vim9: can use :unlockvar for const variable Problem: Vim9: can use :unlockvar for const variable. (Ernie Rael) Solution: Check whether the variable is a const.

/* 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);