patch 8.2.5141: using "volatile int" in a signal handler might be wrong Commit: https://github.com/vim/vim/commit/155f2d1451949d1124bfd6ba9c55be6bd74bab75 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jun 20 13:38:33 2022 +0100 patch 8.2.5141: using "volatile int" in a signal handler might be wrong Problem: Using "volatile int" in a signal handler might be wrong. Solution: Use "volatile sig_atomic_t".

/* 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);